Home / 144,948.30-217,314.45-74,877.90

Finding the Fourth Proportional to 144,948.30, 217,314.45 and 74,877.90

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Solution

The fourth proportional to 144,948.30, 217,314.45 and 74,877.90 is: 112,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,948.30 : 217,314.45 = 74,877.90 : x
  2. Step 2: Convert to fraction form
    144,948.30/217,314.45 = 74,877.90/x
  3. Step 3: Cross multiply
    144,948.30x = 217,314.45 × 74,877.90
  4. Step 4: Simplify right side
    144,948.30x = 16,272,049,655.66
  5. Step 5: Solve for x
    x = 16,272,049,655.66/144,948.30
  6. Step 6: Final answer
    x = 112,261.06

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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.