Home / 125,293.57-172,737.85-99,537.58

Finding the Fourth Proportional to 125,293.57, 172,737.85 and 99,537.58

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Solution

The fourth proportional to 125,293.57, 172,737.85 and 99,537.58 is: 137,228.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,293.57 : 172,737.85 = 99,537.58 : x
  2. Step 2: Convert to fraction form
    125,293.57/172,737.85 = 99,537.58/x
  3. Step 3: Cross multiply
    125,293.57x = 172,737.85 × 99,537.58
  4. Step 4: Simplify right side
    125,293.57x = 17,193,906,882.71
  5. Step 5: Solve for x
    x = 17,193,906,882.71/125,293.57
  6. Step 6: Final answer
    x = 137,228.97

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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.