Home / 87,337.40-130,703.70-52,302.20

Finding the Fourth Proportional to 87,337.40, 130,703.70 and 52,302.20

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Solution

The fourth proportional to 87,337.40, 130,703.70 and 52,302.20 is: 78,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,337.40 : 130,703.70 = 52,302.20 : x
  2. Step 2: Convert to fraction form
    87,337.40/130,703.70 = 52,302.20/x
  3. Step 3: Cross multiply
    87,337.40x = 130,703.70 × 52,302.20
  4. Step 4: Simplify right side
    87,337.40x = 6,836,091,058.14
  5. Step 5: Solve for x
    x = 6,836,091,058.14/87,337.40
  6. Step 6: Final answer
    x = 78,272.21

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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.