Home / 103,508.35-155,151.79-53,538.13

Finding the Fourth Proportional to 103,508.35, 155,151.79 and 53,538.13

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Solution

The fourth proportional to 103,508.35, 155,151.79 and 53,538.13 is: 80,249.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,508.35 : 155,151.79 = 53,538.13 : x
  2. Step 2: Convert to fraction form
    103,508.35/155,151.79 = 53,538.13/x
  3. Step 3: Cross multiply
    103,508.35x = 155,151.79 × 53,538.13
  4. Step 4: Simplify right side
    103,508.35x = 8,306,536,762.85
  5. Step 5: Solve for x
    x = 8,306,536,762.85/103,508.35
  6. Step 6: Final answer
    x = 80,249.92

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1.5x scale

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.