Home / 112,710.91-155,539.15-62,408.83

Finding the Fourth Proportional to 112,710.91, 155,539.15 and 62,408.83

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Solution

The fourth proportional to 112,710.91, 155,539.15 and 62,408.83 is: 86,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,710.91 : 155,539.15 = 62,408.83 : x
  2. Step 2: Convert to fraction form
    112,710.91/155,539.15 = 62,408.83/x
  3. Step 3: Cross multiply
    112,710.91x = 155,539.15 × 62,408.83
  4. Step 4: Simplify right side
    112,710.91x = 9,707,016,370.69
  5. Step 5: Solve for x
    x = 9,707,016,370.69/112,710.91
  6. Step 6: Final answer
    x = 86,123.13

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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.