Home / 87,270.42-130,898.28-34,665.78

Finding the Fourth Proportional to 87,270.42, 130,898.28 and 34,665.78

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Solution

The fourth proportional to 87,270.42, 130,898.28 and 34,665.78 is: 51,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,270.42 : 130,898.28 = 34,665.78 : x
  2. Step 2: Convert to fraction form
    87,270.42/130,898.28 = 34,665.78/x
  3. Step 3: Cross multiply
    87,270.42x = 130,898.28 × 34,665.78
  4. Step 4: Simplify right side
    87,270.42x = 4,537,690,976.86
  5. Step 5: Solve for x
    x = 4,537,690,976.86/87,270.42
  6. Step 6: Final answer
    x = 51,995.75

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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.