Home / 119,833.10-165,369.04-65,385.25

Finding the Fourth Proportional to 119,833.10, 165,369.04 and 65,385.25

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Solution

The fourth proportional to 119,833.10, 165,369.04 and 65,385.25 is: 90,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,833.10 : 165,369.04 = 65,385.25 : x
  2. Step 2: Convert to fraction form
    119,833.10/165,369.04 = 65,385.25/x
  3. Step 3: Cross multiply
    119,833.10x = 165,369.04 × 65,385.25
  4. Step 4: Simplify right side
    119,833.10x = 10,812,696,278.67
  5. Step 5: Solve for x
    x = 10,812,696,278.67/119,833.10
  6. Step 6: Final answer
    x = 90,231.30

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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.