Home / 201,769.55-278,421.38-124,232.89

Finding the Fourth Proportional to 201,769.55, 278,421.38 and 124,232.89

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Solution

The fourth proportional to 201,769.55, 278,421.38 and 124,232.89 is: 171,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,769.55 : 278,421.38 = 124,232.89 : x
  2. Step 2: Convert to fraction form
    201,769.55/278,421.38 = 124,232.89/x
  3. Step 3: Cross multiply
    201,769.55x = 278,421.38 × 124,232.89
  4. Step 4: Simplify right side
    201,769.55x = 34,589,093,044.69
  5. Step 5: Solve for x
    x = 34,589,093,044.69/201,769.55
  6. Step 6: Final answer
    x = 171,428.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.