Home / 119,911.28-165,473.23-66,195.15

Finding the Fourth Proportional to 119,911.28, 165,473.23 and 66,195.15

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Solution

The fourth proportional to 119,911.28, 165,473.23 and 66,195.15 is: 91,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,911.28 : 165,473.23 = 66,195.15 : x
  2. Step 2: Convert to fraction form
    119,911.28/165,473.23 = 66,195.15/x
  3. Step 3: Cross multiply
    119,911.28x = 165,473.23 × 66,195.15
  4. Step 4: Simplify right side
    119,911.28x = 10,953,525,280.83
  5. Step 5: Solve for x
    x = 10,953,525,280.83/119,911.28
  6. Step 6: Final answer
    x = 91,346.91

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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.