Home / 148,617.12-222,938.64-42,002.20

Finding the Fourth Proportional to 148,617.12, 222,938.64 and 42,002.20

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Solution

The fourth proportional to 148,617.12, 222,938.64 and 42,002.20 is: 63,006.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,617.12 : 222,938.64 = 42,002.20 : x
  2. Step 2: Convert to fraction form
    148,617.12/222,938.64 = 42,002.20/x
  3. Step 3: Cross multiply
    148,617.12x = 222,938.64 × 42,002.20
  4. Step 4: Simplify right side
    148,617.12x = 9,363,913,345.01
  5. Step 5: Solve for x
    x = 9,363,913,345.01/148,617.12
  6. Step 6: Final answer
    x = 63,006.96

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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.