Home / 78,737.12-118,081.45-22,562.18

Finding the Fourth Proportional to 78,737.12, 118,081.45 and 22,562.18

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Solution

The fourth proportional to 78,737.12, 118,081.45 and 22,562.18 is: 33,836.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,737.12 : 118,081.45 = 22,562.18 : x
  2. Step 2: Convert to fraction form
    78,737.12/118,081.45 = 22,562.18/x
  3. Step 3: Cross multiply
    78,737.12x = 118,081.45 × 22,562.18
  4. Step 4: Simplify right side
    78,737.12x = 2,664,174,929.56
  5. Step 5: Solve for x
    x = 2,664,174,929.56/78,737.12
  6. Step 6: Final answer
    x = 33,836.33

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1.5x scale

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.