Home / 125,251.20-172,848.06-71,543.34

Finding the Fourth Proportional to 125,251.20, 172,848.06 and 71,543.34

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Solution

The fourth proportional to 125,251.20, 172,848.06 and 71,543.34 is: 98,730.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,251.20 : 172,848.06 = 71,543.34 : x
  2. Step 2: Convert to fraction form
    125,251.20/172,848.06 = 71,543.34/x
  3. Step 3: Cross multiply
    125,251.20x = 172,848.06 × 71,543.34
  4. Step 4: Simplify right side
    125,251.20x = 12,366,127,524.92
  5. Step 5: Solve for x
    x = 12,366,127,524.92/125,251.20
  6. Step 6: Final answer
    x = 98,730.61

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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.