Home / 115,122.49-172,364.90-58,841.41

Finding the Fourth Proportional to 115,122.49, 172,364.90 and 58,841.41

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Solution

The fourth proportional to 115,122.49, 172,364.90 and 58,841.41 is: 88,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,122.49 : 172,364.90 = 58,841.41 : x
  2. Step 2: Convert to fraction form
    115,122.49/172,364.90 = 58,841.41/x
  3. Step 3: Cross multiply
    115,122.49x = 172,364.90 × 58,841.41
  4. Step 4: Simplify right side
    115,122.49x = 10,142,193,035.79
  5. Step 5: Solve for x
    x = 10,142,193,035.79/115,122.49
  6. Step 6: Final answer
    x = 88,099.15

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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.