Home / 87,121.68-130,666.86-23,080.26

Finding the Fourth Proportional to 87,121.68, 130,666.86 and 23,080.26

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Solution

The fourth proportional to 87,121.68, 130,666.86 and 23,080.26 is: 34,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,121.68 : 130,666.86 = 23,080.26 : x
  2. Step 2: Convert to fraction form
    87,121.68/130,666.86 = 23,080.26/x
  3. Step 3: Cross multiply
    87,121.68x = 130,666.86 × 23,080.26
  4. Step 4: Simplify right side
    87,121.68x = 3,015,825,102.18
  5. Step 5: Solve for x
    x = 3,015,825,102.18/87,121.68
  6. Step 6: Final answer
    x = 34,616.24

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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.