Home / 148,490.68-204,649.38-108,140.56

Finding the Fourth Proportional to 148,490.68, 204,649.38 and 108,140.56

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Solution

The fourth proportional to 148,490.68, 204,649.38 and 108,140.56 is: 149,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,490.68 : 204,649.38 = 108,140.56 : x
  2. Step 2: Convert to fraction form
    148,490.68/204,649.38 = 108,140.56/x
  3. Step 3: Cross multiply
    148,490.68x = 204,649.38 × 108,140.56
  4. Step 4: Simplify right side
    148,490.68x = 22,130,898,556.85
  5. Step 5: Solve for x
    x = 22,130,898,556.85/148,490.68
  6. Step 6: Final answer
    x = 149,038.97

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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.