Home / 125,011.68-172,520.88-71,305.44

Finding the Fourth Proportional to 125,011.68, 172,520.88 and 71,305.44

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Solution

The fourth proportional to 125,011.68, 172,520.88 and 71,305.44 is: 98,404.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,011.68 : 172,520.88 = 71,305.44 : x
  2. Step 2: Convert to fraction form
    125,011.68/172,520.88 = 71,305.44/x
  3. Step 3: Cross multiply
    125,011.68x = 172,520.88 × 71,305.44
  4. Step 4: Simplify right side
    125,011.68x = 12,301,677,257.59
  5. Step 5: Solve for x
    x = 12,301,677,257.59/125,011.68
  6. Step 6: Final answer
    x = 98,404.22

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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.