Home / 134,680.76-185,851.02-74,248.28

Finding the Fourth Proportional to 134,680.76, 185,851.02 and 74,248.28

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Solution

The fourth proportional to 134,680.76, 185,851.02 and 74,248.28 is: 102,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,680.76 : 185,851.02 = 74,248.28 : x
  2. Step 2: Convert to fraction form
    134,680.76/185,851.02 = 74,248.28/x
  3. Step 3: Cross multiply
    134,680.76x = 185,851.02 × 74,248.28
  4. Step 4: Simplify right side
    134,680.76x = 13,799,118,571.25
  5. Step 5: Solve for x
    x = 13,799,118,571.25/134,680.76
  6. Step 6: Final answer
    x = 102,457.98

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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.