Home / 125,052.77-172,589.25-71,325.47

Finding the Fourth Proportional to 125,052.77, 172,589.25 and 71,325.47

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Solution

The fourth proportional to 125,052.77, 172,589.25 and 71,325.47 is: 98,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,052.77 : 172,589.25 = 71,325.47 : x
  2. Step 2: Convert to fraction form
    125,052.77/172,589.25 = 71,325.47/x
  3. Step 3: Cross multiply
    125,052.77x = 172,589.25 × 71,325.47
  4. Step 4: Simplify right side
    125,052.77x = 12,310,008,510.25
  5. Step 5: Solve for x
    x = 12,310,008,510.25/125,052.77
  6. Step 6: Final answer
    x = 98,438.52

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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.