Home / 119,712.20-165,203.22-65,264.04

Finding the Fourth Proportional to 119,712.20, 165,203.22 and 65,264.04

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Solution

The fourth proportional to 119,712.20, 165,203.22 and 65,264.04 is: 90,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,712.20 : 165,203.22 = 65,264.04 : x
  2. Step 2: Convert to fraction form
    119,712.20/165,203.22 = 65,264.04/x
  3. Step 3: Cross multiply
    119,712.20x = 165,203.22 × 65,264.04
  4. Step 4: Simplify right side
    119,712.20x = 10,781,829,558.21
  5. Step 5: Solve for x
    x = 10,781,829,558.21/119,712.20
  6. Step 6: Final answer
    x = 90,064.58

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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.