Home / 133,484.20-199,934.70-103,668.10

Finding the Fourth Proportional to 133,484.20, 199,934.70 and 103,668.10

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Solution

The fourth proportional to 133,484.20, 199,934.70 and 103,668.10 is: 155,275.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,484.20 : 199,934.70 = 103,668.10 : x
  2. Step 2: Convert to fraction form
    133,484.20/199,934.70 = 103,668.10/x
  3. Step 3: Cross multiply
    133,484.20x = 199,934.70 × 103,668.10
  4. Step 4: Simplify right side
    133,484.20x = 20,726,850,473.07
  5. Step 5: Solve for x
    x = 20,726,850,473.07/133,484.20
  6. Step 6: Final answer
    x = 155,275.68

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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.