Home / 119,841.25-165,386.19-68,870.38

Finding the Fourth Proportional to 119,841.25, 165,386.19 and 68,870.38

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Solution

The fourth proportional to 119,841.25, 165,386.19 and 68,870.38 is: 95,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,841.25 : 165,386.19 = 68,870.38 : x
  2. Step 2: Convert to fraction form
    119,841.25/165,386.19 = 68,870.38/x
  3. Step 3: Cross multiply
    119,841.25x = 165,386.19 × 68,870.38
  4. Step 4: Simplify right side
    119,841.25x = 11,390,209,752.05
  5. Step 5: Solve for x
    x = 11,390,209,752.05/119,841.25
  6. Step 6: Final answer
    x = 95,044.15

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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.