Home / 153,921.20-230,464.74-79,893.68

Finding the Fourth Proportional to 153,921.20, 230,464.74 and 79,893.68

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Solution

The fourth proportional to 153,921.20, 230,464.74 and 79,893.68 is: 119,624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,921.20 : 230,464.74 = 79,893.68 : x
  2. Step 2: Convert to fraction form
    153,921.20/230,464.74 = 79,893.68/x
  3. Step 3: Cross multiply
    153,921.20x = 230,464.74 × 79,893.68
  4. Step 4: Simplify right side
    153,921.20x = 18,412,676,188.84
  5. Step 5: Solve for x
    x = 18,412,676,188.84/153,921.20
  6. Step 6: Final answer
    x = 119,624.04

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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.