Home / 159,730.15-220,498.46-103,169.11

Finding the Fourth Proportional to 159,730.15, 220,498.46 and 103,169.11

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Solution

The fourth proportional to 159,730.15, 220,498.46 and 103,169.11 is: 142,419.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,730.15 : 220,498.46 = 103,169.11 : x
  2. Step 2: Convert to fraction form
    159,730.15/220,498.46 = 103,169.11/x
  3. Step 3: Cross multiply
    159,730.15x = 220,498.46 × 103,169.11
  4. Step 4: Simplify right side
    159,730.15x = 22,748,629,874.57
  5. Step 5: Solve for x
    x = 22,748,629,874.57/159,730.15
  6. Step 6: Final answer
    x = 142,419.14

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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.