Home / 106,134.60-158,988.20-49,128.15

Finding the Fourth Proportional to 106,134.60, 158,988.20 and 49,128.15

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Solution

The fourth proportional to 106,134.60, 158,988.20 and 49,128.15 is: 73,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,134.60 : 158,988.20 = 49,128.15 : x
  2. Step 2: Convert to fraction form
    106,134.60/158,988.20 = 49,128.15/x
  3. Step 3: Cross multiply
    106,134.60x = 158,988.20 × 49,128.15
  4. Step 4: Simplify right side
    106,134.60x = 7,810,795,892.19
  5. Step 5: Solve for x
    x = 7,810,795,892.19/106,134.60
  6. Step 6: Final answer
    x = 73,593.30

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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.