Home / 95,319.12-142,885.71-45,385.80

Finding the Fourth Proportional to 95,319.12, 142,885.71 and 45,385.80

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Solution

The fourth proportional to 95,319.12, 142,885.71 and 45,385.80 is: 68,034.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,319.12 : 142,885.71 = 45,385.80 : x
  2. Step 2: Convert to fraction form
    95,319.12/142,885.71 = 45,385.80/x
  3. Step 3: Cross multiply
    95,319.12x = 142,885.71 × 45,385.80
  4. Step 4: Simplify right side
    95,319.12x = 6,484,982,256.92
  5. Step 5: Solve for x
    x = 6,484,982,256.92/95,319.12
  6. Step 6: Final answer
    x = 68,034.43

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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.