Home / 102,167.31-140,990.16-56,229.75

Finding the Fourth Proportional to 102,167.31, 140,990.16 and 56,229.75

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Solution

The fourth proportional to 102,167.31, 140,990.16 and 56,229.75 is: 77,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,167.31 : 140,990.16 = 56,229.75 : x
  2. Step 2: Convert to fraction form
    102,167.31/140,990.16 = 56,229.75/x
  3. Step 3: Cross multiply
    102,167.31x = 140,990.16 × 56,229.75
  4. Step 4: Simplify right side
    102,167.31x = 7,927,841,449.26
  5. Step 5: Solve for x
    x = 7,927,841,449.26/102,167.31
  6. Step 6: Final answer
    x = 77,596.65

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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.