Home / 220,402.17-330,625.14-87,374.25

Finding the Fourth Proportional to 220,402.17, 330,625.14 and 87,374.25

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Solution

The fourth proportional to 220,402.17, 330,625.14 and 87,374.25 is: 131,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,402.17 : 330,625.14 = 87,374.25 : x
  2. Step 2: Convert to fraction form
    220,402.17/330,625.14 = 87,374.25/x
  3. Step 3: Cross multiply
    220,402.17x = 330,625.14 × 87,374.25
  4. Step 4: Simplify right side
    220,402.17x = 28,888,123,638.65
  5. Step 5: Solve for x
    x = 28,888,123,638.65/220,402.17
  6. Step 6: Final answer
    x = 131,070.05

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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.