Home / 124,710.15-186,937.65-61,432.95

Finding the Fourth Proportional to 124,710.15, 186,937.65 and 61,432.95

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Solution

The fourth proportional to 124,710.15, 186,937.65 and 61,432.95 is: 92,086.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,710.15 : 186,937.65 = 61,432.95 : x
  2. Step 2: Convert to fraction form
    124,710.15/186,937.65 = 61,432.95/x
  3. Step 3: Cross multiply
    124,710.15x = 186,937.65 × 61,432.95
  4. Step 4: Simplify right side
    124,710.15x = 11,484,131,305.57
  5. Step 5: Solve for x
    x = 11,484,131,305.57/124,710.15
  6. Step 6: Final answer
    x = 92,086.58

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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.