Home / 125,276.61-187,956.17-83,321.75

Finding the Fourth Proportional to 125,276.61, 187,956.17 and 83,321.75

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Solution

The fourth proportional to 125,276.61, 187,956.17 and 83,321.75 is: 125,010.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,276.61 : 187,956.17 = 83,321.75 : x
  2. Step 2: Convert to fraction form
    125,276.61/187,956.17 = 83,321.75/x
  3. Step 3: Cross multiply
    125,276.61x = 187,956.17 × 83,321.75
  4. Step 4: Simplify right side
    125,276.61x = 15,660,835,651.31
  5. Step 5: Solve for x
    x = 15,660,835,651.31/125,276.61
  6. Step 6: Final answer
    x = 125,010.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.