Home / 87,221.13-130,838.85-37,301.64

Finding the Fourth Proportional to 87,221.13, 130,838.85 and 37,301.64

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Solution

The fourth proportional to 87,221.13, 130,838.85 and 37,301.64 is: 55,955.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,221.13 : 130,838.85 = 37,301.64 : x
  2. Step 2: Convert to fraction form
    87,221.13/130,838.85 = 37,301.64/x
  3. Step 3: Cross multiply
    87,221.13x = 130,838.85 × 37,301.64
  4. Step 4: Simplify right side
    87,221.13x = 4,880,503,680.71
  5. Step 5: Solve for x
    x = 4,880,503,680.71/87,221.13
  6. Step 6: Final answer
    x = 55,955.52

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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.