Home / 255,256.83-352,248.39-142,077.15

Finding the Fourth Proportional to 255,256.83, 352,248.39 and 142,077.15

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Solution

The fourth proportional to 255,256.83, 352,248.39 and 142,077.15 is: 196,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,256.83 : 352,248.39 = 142,077.15 : x
  2. Step 2: Convert to fraction form
    255,256.83/352,248.39 = 142,077.15/x
  3. Step 3: Cross multiply
    255,256.83x = 352,248.39 × 142,077.15
  4. Step 4: Simplify right side
    255,256.83x = 50,046,447,343.29
  5. Step 5: Solve for x
    x = 50,046,447,343.29/255,256.83
  6. Step 6: Final answer
    x = 196,063.11

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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.