Home / 162,097.15-243,145.47-90,095.85

Finding the Fourth Proportional to 162,097.15, 243,145.47 and 90,095.85

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Solution

The fourth proportional to 162,097.15, 243,145.47 and 90,095.85 is: 135,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,097.15 : 243,145.47 = 90,095.85 : x
  2. Step 2: Convert to fraction form
    162,097.15/243,145.47 = 90,095.85/x
  3. Step 3: Cross multiply
    162,097.15x = 243,145.47 × 90,095.85
  4. Step 4: Simplify right side
    162,097.15x = 21,906,397,793.30
  5. Step 5: Solve for x
    x = 21,906,397,793.30/162,097.15
  6. Step 6: Final answer
    x = 135,143.63

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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.