Home / 87,557.34-131,367.04-43,215.22

Finding the Fourth Proportional to 87,557.34, 131,367.04 and 43,215.22

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Solution

The fourth proportional to 87,557.34, 131,367.04 and 43,215.22 is: 64,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,557.34 : 131,367.04 = 43,215.22 : x
  2. Step 2: Convert to fraction form
    87,557.34/131,367.04 = 43,215.22/x
  3. Step 3: Cross multiply
    87,557.34x = 131,367.04 × 43,215.22
  4. Step 4: Simplify right side
    87,557.34x = 5,677,055,534.35
  5. Step 5: Solve for x
    x = 5,677,055,534.35/87,557.34
  6. Step 6: Final answer
    x = 64,838.15

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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.