Home / 87,968.22-121,393.14-52,136.96

Finding the Fourth Proportional to 87,968.22, 121,393.14 and 52,136.96

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Solution

The fourth proportional to 87,968.22, 121,393.14 and 52,136.96 is: 71,947.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,968.22 : 121,393.14 = 52,136.96 : x
  2. Step 2: Convert to fraction form
    87,968.22/121,393.14 = 52,136.96/x
  3. Step 3: Cross multiply
    87,968.22x = 121,393.14 × 52,136.96
  4. Step 4: Simplify right side
    87,968.22x = 6,329,068,677.49
  5. Step 5: Solve for x
    x = 6,329,068,677.49/87,968.22
  6. Step 6: Final answer
    x = 71,947.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.