Home / 87,144.57-130,721.67-24,810.21

Finding the Fourth Proportional to 87,144.57, 130,721.67 and 24,810.21

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Solution

The fourth proportional to 87,144.57, 130,721.67 and 24,810.21 is: 37,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,144.57 : 130,721.67 = 24,810.21 : x
  2. Step 2: Convert to fraction form
    87,144.57/130,721.67 = 24,810.21/x
  3. Step 3: Cross multiply
    87,144.57x = 130,721.67 × 24,810.21
  4. Step 4: Simplify right side
    87,144.57x = 3,243,232,084.25
  5. Step 5: Solve for x
    x = 3,243,232,084.25/87,144.57
  6. Step 6: Final answer
    x = 37,216.69

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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.