Home / 125,792.11-173,590.26-72,108.76

Finding the Fourth Proportional to 125,792.11, 173,590.26 and 72,108.76

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Solution

The fourth proportional to 125,792.11, 173,590.26 and 72,108.76 is: 99,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,792.11 : 173,590.26 = 72,108.76 : x
  2. Step 2: Convert to fraction form
    125,792.11/173,590.26 = 72,108.76/x
  3. Step 3: Cross multiply
    125,792.11x = 173,590.26 × 72,108.76
  4. Step 4: Simplify right side
    125,792.11x = 12,517,378,396.68
  5. Step 5: Solve for x
    x = 12,517,378,396.68/125,792.11
  6. Step 6: Final answer
    x = 99,508.45

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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.