Home / 125,717.45-173,490.08-69,128.83

Finding the Fourth Proportional to 125,717.45, 173,490.08 and 69,128.83

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Solution

The fourth proportional to 125,717.45, 173,490.08 and 69,128.83 is: 95,397.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,717.45 : 173,490.08 = 69,128.83 : x
  2. Step 2: Convert to fraction form
    125,717.45/173,490.08 = 69,128.83/x
  3. Step 3: Cross multiply
    125,717.45x = 173,490.08 × 69,128.83
  4. Step 4: Simplify right side
    125,717.45x = 11,993,165,725.62
  5. Step 5: Solve for x
    x = 11,993,165,725.62/125,717.45
  6. Step 6: Final answer
    x = 95,397.78

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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.