Home / 255,422.76-352,483.02-142,272.24

Finding the Fourth Proportional to 255,422.76, 352,483.02 and 142,272.24

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Solution

The fourth proportional to 255,422.76, 352,483.02 and 142,272.24 is: 196,335.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,422.76 : 352,483.02 = 142,272.24 : x
  2. Step 2: Convert to fraction form
    255,422.76/352,483.02 = 142,272.24/x
  3. Step 3: Cross multiply
    255,422.76x = 352,483.02 × 142,272.24
  4. Step 4: Simplify right side
    255,422.76x = 50,148,548,817.36
  5. Step 5: Solve for x
    x = 50,148,548,817.36/255,422.76
  6. Step 6: Final answer
    x = 196,335.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.