Home / 91,385.18-137,008.28-63,230.40

Finding the Fourth Proportional to 91,385.18, 137,008.28 and 63,230.40

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Solution

The fourth proportional to 91,385.18, 137,008.28 and 63,230.40 is: 94,797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,385.18 : 137,008.28 = 63,230.40 : x
  2. Step 2: Convert to fraction form
    91,385.18/137,008.28 = 63,230.40/x
  3. Step 3: Cross multiply
    91,385.18x = 137,008.28 × 63,230.40
  4. Step 4: Simplify right side
    91,385.18x = 8,663,088,347.71
  5. Step 5: Solve for x
    x = 8,663,088,347.71/91,385.18
  6. Step 6: Final answer
    x = 94,797.52

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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.