Home / 87,138.26-130,707.36-24,808.76

Finding the Fourth Proportional to 87,138.26, 130,707.36 and 24,808.76

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Solution

The fourth proportional to 87,138.26, 130,707.36 and 24,808.76 is: 37,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,138.26 : 130,707.36 = 24,808.76 : x
  2. Step 2: Convert to fraction form
    87,138.26/130,707.36 = 24,808.76/x
  3. Step 3: Cross multiply
    87,138.26x = 130,707.36 × 24,808.76
  4. Step 4: Simplify right side
    87,138.26x = 3,242,686,870.94
  5. Step 5: Solve for x
    x = 3,242,686,870.94/87,138.26
  6. Step 6: Final answer
    x = 37,213.13

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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.