Home / 107,844.80-161,767.20-89,182.40

Finding the Fourth Proportional to 107,844.80, 161,767.20 and 89,182.40

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Solution

The fourth proportional to 107,844.80, 161,767.20 and 89,182.40 is: 133,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,844.80 : 161,767.20 = 89,182.40 : x
  2. Step 2: Convert to fraction form
    107,844.80/161,767.20 = 89,182.40/x
  3. Step 3: Cross multiply
    107,844.80x = 161,767.20 × 89,182.40
  4. Step 4: Simplify right side
    107,844.80x = 14,426,787,137.28
  5. Step 5: Solve for x
    x = 14,426,787,137.28/107,844.80
  6. Step 6: Final answer
    x = 133,773.60

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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.