Home / 145,257.72-217,818.52-60,999.88

Finding the Fourth Proportional to 145,257.72, 217,818.52 and 60,999.88

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Solution

The fourth proportional to 145,257.72, 217,818.52 and 60,999.88 is: 91,471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,257.72 : 217,818.52 = 60,999.88 : x
  2. Step 2: Convert to fraction form
    145,257.72/217,818.52 = 60,999.88/x
  3. Step 3: Cross multiply
    145,257.72x = 217,818.52 × 60,999.88
  4. Step 4: Simplify right side
    145,257.72x = 13,286,903,581.78
  5. Step 5: Solve for x
    x = 13,286,903,581.78/145,257.72
  6. Step 6: Final answer
    x = 91,471.24

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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.