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Finding the Fourth Proportional to 125,894.68, 173,738.10 and 69,309.52

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Solution

The fourth proportional to 125,894.68, 173,738.10 and 69,309.52 is: 95,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,894.68 : 173,738.10 = 69,309.52 : x
  2. Step 2: Convert to fraction form
    125,894.68/173,738.10 = 69,309.52/x
  3. Step 3: Cross multiply
    125,894.68x = 173,738.10 × 69,309.52
  4. Step 4: Simplify right side
    125,894.68x = 12,041,704,316.71
  5. Step 5: Solve for x
    x = 12,041,704,316.71/125,894.68
  6. Step 6: Final answer
    x = 95,649.03

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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.