Home / 119,746.68-165,247.26-66,030.78

Finding the Fourth Proportional to 119,746.68, 165,247.26 and 66,030.78

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Solution

The fourth proportional to 119,746.68, 165,247.26 and 66,030.78 is: 91,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,746.68 : 165,247.26 = 66,030.78 : x
  2. Step 2: Convert to fraction form
    119,746.68/165,247.26 = 66,030.78/x
  3. Step 3: Cross multiply
    119,746.68x = 165,247.26 × 66,030.78
  4. Step 4: Simplify right side
    119,746.68x = 10,911,405,470.66
  5. Step 5: Solve for x
    x = 10,911,405,470.66/119,746.68
  6. Step 6: Final answer
    x = 91,120.73

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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.