Home / 316,182.93-474,275.21-129,194.43

Finding the Fourth Proportional to 316,182.93, 474,275.21 and 129,194.43

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Solution

The fourth proportional to 316,182.93, 474,275.21 and 129,194.43 is: 193,791.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,182.93 : 474,275.21 = 129,194.43 : x
  2. Step 2: Convert to fraction form
    316,182.93/474,275.21 = 129,194.43/x
  3. Step 3: Cross multiply
    316,182.93x = 474,275.21 × 129,194.43
  4. Step 4: Simplify right side
    316,182.93x = 61,273,714,773.11
  5. Step 5: Solve for x
    x = 61,273,714,773.11/316,182.93
  6. Step 6: Final answer
    x = 193,791.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.