Home / 125,031.61-187,357.96-82,760.23

Finding the Fourth Proportional to 125,031.61, 187,357.96 and 82,760.23

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Solution

The fourth proportional to 125,031.61, 187,357.96 and 82,760.23 is: 124,014.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,031.61 : 187,357.96 = 82,760.23 : x
  2. Step 2: Convert to fraction form
    125,031.61/187,357.96 = 82,760.23/x
  3. Step 3: Cross multiply
    125,031.61x = 187,357.96 × 82,760.23
  4. Step 4: Simplify right side
    125,031.61x = 15,505,787,861.93
  5. Step 5: Solve for x
    x = 15,505,787,861.93/125,031.61
  6. Step 6: Final answer
    x = 124,014.94

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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.