Home / 86,133.46-129,225.30-52,874.86

Finding the Fourth Proportional to 86,133.46, 129,225.30 and 52,874.86

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Solution

The fourth proportional to 86,133.46, 129,225.30 and 52,874.86 is: 79,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,133.46 : 129,225.30 = 52,874.86 : x
  2. Step 2: Convert to fraction form
    86,133.46/129,225.30 = 52,874.86/x
  3. Step 3: Cross multiply
    86,133.46x = 129,225.30 × 52,874.86
  4. Step 4: Simplify right side
    86,133.46x = 6,832,769,645.96
  5. Step 5: Solve for x
    x = 6,832,769,645.96/86,133.46
  6. Step 6: Final answer
    x = 79,327.70

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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.