Home / 87,108.06-130,605.93-37,220.70

Finding the Fourth Proportional to 87,108.06, 130,605.93 and 37,220.70

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Solution

The fourth proportional to 87,108.06, 130,605.93 and 37,220.70 is: 55,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,108.06 : 130,605.93 = 37,220.70 : x
  2. Step 2: Convert to fraction form
    87,108.06/130,605.93 = 37,220.70/x
  3. Step 3: Cross multiply
    87,108.06x = 130,605.93 × 37,220.70
  4. Step 4: Simplify right side
    87,108.06x = 4,861,244,138.75
  5. Step 5: Solve for x
    x = 4,861,244,138.75/87,108.06
  6. Step 6: Final answer
    x = 55,807.05

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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.