Home / 162,112.92-243,254.96-115,032.20

Finding the Fourth Proportional to 162,112.92, 243,254.96 and 115,032.20

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Solution

The fourth proportional to 162,112.92, 243,254.96 and 115,032.20 is: 172,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,112.92 : 243,254.96 = 115,032.20 : x
  2. Step 2: Convert to fraction form
    162,112.92/243,254.96 = 115,032.20/x
  3. Step 3: Cross multiply
    162,112.92x = 243,254.96 × 115,032.20
  4. Step 4: Simplify right side
    162,112.92x = 27,982,153,209.71
  5. Step 5: Solve for x
    x = 27,982,153,209.71/162,112.92
  6. Step 6: Final answer
    x = 172,609.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.