Home / 189,126.33-283,534.91-87,987.43

Finding the Fourth Proportional to 189,126.33, 283,534.91 and 87,987.43

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Solution

The fourth proportional to 189,126.33, 283,534.91 and 87,987.43 is: 131,909.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,126.33 : 283,534.91 = 87,987.43 : x
  2. Step 2: Convert to fraction form
    189,126.33/283,534.91 = 87,987.43/x
  3. Step 3: Cross multiply
    189,126.33x = 283,534.91 × 87,987.43
  4. Step 4: Simplify right side
    189,126.33x = 24,947,508,046.18
  5. Step 5: Solve for x
    x = 24,947,508,046.18/189,126.33
  6. Step 6: Final answer
    x = 131,909.23

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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.