Home / 103,535.06-155,279.50-40,356.88

Finding the Fourth Proportional to 103,535.06, 155,279.50 and 40,356.88

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Solution

The fourth proportional to 103,535.06, 155,279.50 and 40,356.88 is: 60,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,535.06 : 155,279.50 = 40,356.88 : x
  2. Step 2: Convert to fraction form
    103,535.06/155,279.50 = 40,356.88/x
  3. Step 3: Cross multiply
    103,535.06x = 155,279.50 × 40,356.88
  4. Step 4: Simplify right side
    103,535.06x = 6,266,595,658.87
  5. Step 5: Solve for x
    x = 6,266,595,658.87/103,535.06
  6. Step 6: Final answer
    x = 60,526.32

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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.