Home / 113,882.20-170,420.10-99,251.80

Finding the Fourth Proportional to 113,882.20, 170,420.10 and 99,251.80

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Solution

The fourth proportional to 113,882.20, 170,420.10 and 99,251.80 is: 148,526.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,882.20 : 170,420.10 = 99,251.80 : x
  2. Step 2: Convert to fraction form
    113,882.20/170,420.10 = 99,251.80/x
  3. Step 3: Cross multiply
    113,882.20x = 170,420.10 × 99,251.80
  4. Step 4: Simplify right side
    113,882.20x = 16,914,501,681.18
  5. Step 5: Solve for x
    x = 16,914,501,681.18/113,882.20
  6. Step 6: Final answer
    x = 148,526.30

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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.