Home / 141,769.72-212,658.68-53,006.28

Finding the Fourth Proportional to 141,769.72, 212,658.68 and 53,006.28

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Solution

The fourth proportional to 141,769.72, 212,658.68 and 53,006.28 is: 79,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,769.72 : 212,658.68 = 53,006.28 : x
  2. Step 2: Convert to fraction form
    141,769.72/212,658.68 = 53,006.28/x
  3. Step 3: Cross multiply
    141,769.72x = 212,658.68 × 53,006.28
  4. Step 4: Simplify right side
    141,769.72x = 11,272,244,871.56
  5. Step 5: Solve for x
    x = 11,272,244,871.56/141,769.72
  6. Step 6: Final answer
    x = 79,510.95

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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.