Home / 148,428.60-222,470.10-59,638.20

Finding the Fourth Proportional to 148,428.60, 222,470.10 and 59,638.20

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Solution

The fourth proportional to 148,428.60, 222,470.10 and 59,638.20 is: 89,387.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,428.60 : 222,470.10 = 59,638.20 : x
  2. Step 2: Convert to fraction form
    148,428.60/222,470.10 = 59,638.20/x
  3. Step 3: Cross multiply
    148,428.60x = 222,470.10 × 59,638.20
  4. Step 4: Simplify right side
    148,428.60x = 13,267,716,317.82
  5. Step 5: Solve for x
    x = 13,267,716,317.82/148,428.60
  6. Step 6: Final answer
    x = 89,387.87

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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.