Home / 87,147.72-130,707.86-23,972.58

Finding the Fourth Proportional to 87,147.72, 130,707.86 and 23,972.58

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Solution

The fourth proportional to 87,147.72, 130,707.86 and 23,972.58 is: 35,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,147.72 : 130,707.86 = 23,972.58 : x
  2. Step 2: Convert to fraction form
    87,147.72/130,707.86 = 23,972.58/x
  3. Step 3: Cross multiply
    87,147.72x = 130,707.86 × 23,972.58
  4. Step 4: Simplify right side
    87,147.72x = 3,133,404,630.48
  5. Step 5: Solve for x
    x = 3,133,404,630.48/87,147.72
  6. Step 6: Final answer
    x = 35,955.10

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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.