Home / 103,494.17-155,244.90-40,319.03

Finding the Fourth Proportional to 103,494.17, 155,244.90 and 40,319.03

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Solution

The fourth proportional to 103,494.17, 155,244.90 and 40,319.03 is: 60,479.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,494.17 : 155,244.90 = 40,319.03 : x
  2. Step 2: Convert to fraction form
    103,494.17/155,244.90 = 40,319.03/x
  3. Step 3: Cross multiply
    103,494.17x = 155,244.90 × 40,319.03
  4. Step 4: Simplify right side
    103,494.17x = 6,259,323,780.45
  5. Step 5: Solve for x
    x = 6,259,323,780.45/103,494.17
  6. Step 6: Final answer
    x = 60,479.97

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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.