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Finding the Fourth Proportional to 125,934, 173,784.84 and 69,343.92

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Solution

The fourth proportional to 125,934, 173,784.84 and 69,343.92 is: 95,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,934 : 173,784.84 = 69,343.92 : x
  2. Step 2: Convert to fraction form
    125,934/173,784.84 = 69,343.92/x
  3. Step 3: Cross multiply
    125,934x = 173,784.84 × 69,343.92
  4. Step 4: Simplify right side
    125,934x = 12,050,922,042.17
  5. Step 5: Solve for x
    x = 12,050,922,042.17/125,934
  6. Step 6: Final answer
    x = 95,692.36

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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.