Home / 145,904.52-218,769.30-70,876.92

Finding the Fourth Proportional to 145,904.52, 218,769.30 and 70,876.92

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Solution

The fourth proportional to 145,904.52, 218,769.30 and 70,876.92 is: 106,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,904.52 : 218,769.30 = 70,876.92 : x
  2. Step 2: Convert to fraction form
    145,904.52/218,769.30 = 70,876.92/x
  3. Step 3: Cross multiply
    145,904.52x = 218,769.30 × 70,876.92
  4. Step 4: Simplify right side
    145,904.52x = 15,505,694,174.56
  5. Step 5: Solve for x
    x = 15,505,694,174.56/145,904.52
  6. Step 6: Final answer
    x = 106,272.88

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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.