Home / 138,898.24-208,347.72-33,717.04

Finding the Fourth Proportional to 138,898.24, 208,347.72 and 33,717.04

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Solution

The fourth proportional to 138,898.24, 208,347.72 and 33,717.04 is: 50,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,898.24 : 208,347.72 = 33,717.04 : x
  2. Step 2: Convert to fraction form
    138,898.24/208,347.72 = 33,717.04/x
  3. Step 3: Cross multiply
    138,898.24x = 208,347.72 × 33,717.04
  4. Step 4: Simplify right side
    138,898.24x = 7,024,868,409.15
  5. Step 5: Solve for x
    x = 7,024,868,409.15/138,898.24
  6. Step 6: Final answer
    x = 50,575.65

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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.