Home / 87,117.50-130,698.12-24,788

Finding the Fourth Proportional to 87,117.50, 130,698.12 and 24,788

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Solution

The fourth proportional to 87,117.50, 130,698.12 and 24,788 is: 37,188.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,117.50 : 130,698.12 = 24,788 : x
  2. Step 2: Convert to fraction form
    87,117.50/130,698.12 = 24,788/x
  3. Step 3: Cross multiply
    87,117.50x = 130,698.12 × 24,788
  4. Step 4: Simplify right side
    87,117.50x = 3,239,744,998.56
  5. Step 5: Solve for x
    x = 3,239,744,998.56/87,117.50
  6. Step 6: Final answer
    x = 37,188.22

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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.