Home / 126,151.76-189,172.68-36,174.62

Finding the Fourth Proportional to 126,151.76, 189,172.68 and 36,174.62

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Solution

The fourth proportional to 126,151.76, 189,172.68 and 36,174.62 is: 54,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,151.76 : 189,172.68 = 36,174.62 : x
  2. Step 2: Convert to fraction form
    126,151.76/189,172.68 = 36,174.62/x
  3. Step 3: Cross multiply
    126,151.76x = 189,172.68 × 36,174.62
  4. Step 4: Simplify right side
    126,151.76x = 6,843,249,813.38
  5. Step 5: Solve for x
    x = 6,843,249,813.38/126,151.76
  6. Step 6: Final answer
    x = 54,246.17

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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.