Home / 148,749.35-222,934.46-69,689.30

Finding the Fourth Proportional to 148,749.35, 222,934.46 and 69,689.30

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Solution

The fourth proportional to 148,749.35, 222,934.46 and 69,689.30 is: 104,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,749.35 : 222,934.46 = 69,689.30 : x
  2. Step 2: Convert to fraction form
    148,749.35/222,934.46 = 69,689.30/x
  3. Step 3: Cross multiply
    148,749.35x = 222,934.46 × 69,689.30
  4. Step 4: Simplify right side
    148,749.35x = 15,536,145,000.16
  5. Step 5: Solve for x
    x = 15,536,145,000.16/148,749.35
  6. Step 6: Final answer
    x = 104,445.13

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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.