Home / 148,948.38-205,381.92-139,500.54

Finding the Fourth Proportional to 148,948.38, 205,381.92 and 139,500.54

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Solution

The fourth proportional to 148,948.38, 205,381.92 and 139,500.54 is: 192,354.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,948.38 : 205,381.92 = 139,500.54 : x
  2. Step 2: Convert to fraction form
    148,948.38/205,381.92 = 139,500.54/x
  3. Step 3: Cross multiply
    148,948.38x = 205,381.92 × 139,500.54
  4. Step 4: Simplify right side
    148,948.38x = 28,650,888,746.24
  5. Step 5: Solve for x
    x = 28,650,888,746.24/148,948.38
  6. Step 6: Final answer
    x = 192,354.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.