Home / 125,947.20-173,805.42-71,498.90

Finding the Fourth Proportional to 125,947.20, 173,805.42 and 71,498.90

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Solution

The fourth proportional to 125,947.20, 173,805.42 and 71,498.90 is: 98,667.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,947.20 : 173,805.42 = 71,498.90 : x
  2. Step 2: Convert to fraction form
    125,947.20/173,805.42 = 71,498.90/x
  3. Step 3: Cross multiply
    125,947.20x = 173,805.42 × 71,498.90
  4. Step 4: Simplify right side
    125,947.20x = 12,426,896,344.04
  5. Step 5: Solve for x
    x = 12,426,896,344.04/125,947.20
  6. Step 6: Final answer
    x = 98,667.51

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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.