Home / 102,127.20-140,952.40-59,677.52

Finding the Fourth Proportional to 102,127.20, 140,952.40 and 59,677.52

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Solution

The fourth proportional to 102,127.20, 140,952.40 and 59,677.52 is: 82,364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,127.20 : 140,952.40 = 59,677.52 : x
  2. Step 2: Convert to fraction form
    102,127.20/140,952.40 = 59,677.52/x
  3. Step 3: Cross multiply
    102,127.20x = 140,952.40 × 59,677.52
  4. Step 4: Simplify right side
    102,127.20x = 8,411,689,670.05
  5. Step 5: Solve for x
    x = 8,411,689,670.05/102,127.20
  6. Step 6: Final answer
    x = 82,364.83

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1.5x scale

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.