Home / 255,420.48-352,477.08-140,696.76

Finding the Fourth Proportional to 255,420.48, 352,477.08 and 140,696.76

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Solution

The fourth proportional to 255,420.48, 352,477.08 and 140,696.76 is: 194,159.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,420.48 : 352,477.08 = 140,696.76 : x
  2. Step 2: Convert to fraction form
    255,420.48/352,477.08 = 140,696.76/x
  3. Step 3: Cross multiply
    255,420.48x = 352,477.08 × 140,696.76
  4. Step 4: Simplify right side
    255,420.48x = 49,592,383,130.26
  5. Step 5: Solve for x
    x = 49,592,383,130.26/255,420.48
  6. Step 6: Final answer
    x = 194,159.78

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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.