Home / 125,402.92-173,115.56-79,485.50

Finding the Fourth Proportional to 125,402.92, 173,115.56 and 79,485.50

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Solution

The fourth proportional to 125,402.92, 173,115.56 and 79,485.50 is: 109,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,402.92 : 173,115.56 = 79,485.50 : x
  2. Step 2: Convert to fraction form
    125,402.92/173,115.56 = 79,485.50/x
  3. Step 3: Cross multiply
    125,402.92x = 173,115.56 × 79,485.50
  4. Step 4: Simplify right side
    125,402.92x = 13,760,177,475.88
  5. Step 5: Solve for x
    x = 13,760,177,475.88/125,402.92
  6. Step 6: Final answer
    x = 109,727.73

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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.