Home / 145,123.45-217,769.24-60,876.09

Finding the Fourth Proportional to 145,123.45, 217,769.24 and 60,876.09

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Solution

The fourth proportional to 145,123.45, 217,769.24 and 60,876.09 is: 91,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,123.45 : 217,769.24 = 60,876.09 : x
  2. Step 2: Convert to fraction form
    145,123.45/217,769.24 = 60,876.09/x
  3. Step 3: Cross multiply
    145,123.45x = 217,769.24 × 60,876.09
  4. Step 4: Simplify right side
    145,123.45x = 13,256,940,005.66
  5. Step 5: Solve for x
    x = 13,256,940,005.66/145,123.45
  6. Step 6: Final answer
    x = 91,349.40

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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.