Home / 134,581.31-185,721.30-74,150.55

Finding the Fourth Proportional to 134,581.31, 185,721.30 and 74,150.55

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Solution

The fourth proportional to 134,581.31, 185,721.30 and 74,150.55 is: 102,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,581.31 : 185,721.30 = 74,150.55 : x
  2. Step 2: Convert to fraction form
    134,581.31/185,721.30 = 74,150.55/x
  3. Step 3: Cross multiply
    134,581.31x = 185,721.30 × 74,150.55
  4. Step 4: Simplify right side
    134,581.31x = 13,771,336,635.27
  5. Step 5: Solve for x
    x = 13,771,336,635.27/134,581.31
  6. Step 6: Final answer
    x = 102,327.26

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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.