Home / 119,689.32-165,171.27-65,975.51

Finding the Fourth Proportional to 119,689.32, 165,171.27 and 65,975.51

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Solution

The fourth proportional to 119,689.32, 165,171.27 and 65,975.51 is: 91,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,689.32 : 165,171.27 = 65,975.51 : x
  2. Step 2: Convert to fraction form
    119,689.32/165,171.27 = 65,975.51/x
  3. Step 3: Cross multiply
    119,689.32x = 165,171.27 × 65,975.51
  4. Step 4: Simplify right side
    119,689.32x = 10,897,257,949.74
  5. Step 5: Solve for x
    x = 10,897,257,949.74/119,689.32
  6. Step 6: Final answer
    x = 91,046.20

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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.