Home / 87,387.90-130,990.94-59,310.24

Finding the Fourth Proportional to 87,387.90, 130,990.94 and 59,310.24

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Solution

The fourth proportional to 87,387.90, 130,990.94 and 59,310.24 is: 88,903.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,387.90 : 130,990.94 = 59,310.24 : x
  2. Step 2: Convert to fraction form
    87,387.90/130,990.94 = 59,310.24/x
  3. Step 3: Cross multiply
    87,387.90x = 130,990.94 × 59,310.24
  4. Step 4: Simplify right side
    87,387.90x = 7,769,104,089.23
  5. Step 5: Solve for x
    x = 7,769,104,089.23/87,387.90
  6. Step 6: Final answer
    x = 88,903.66

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1.5x scale

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.