Home / 162,125.10-242,712.45-115,469.10

Finding the Fourth Proportional to 162,125.10, 242,712.45 and 115,469.10

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Solution

The fourth proportional to 162,125.10, 242,712.45 and 115,469.10 is: 172,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,125.10 : 242,712.45 = 115,469.10 : x
  2. Step 2: Convert to fraction form
    162,125.10/242,712.45 = 115,469.10/x
  3. Step 3: Cross multiply
    162,125.10x = 242,712.45 × 115,469.10
  4. Step 4: Simplify right side
    162,125.10x = 28,025,788,160.30
  5. Step 5: Solve for x
    x = 28,025,788,160.30/162,125.10
  6. Step 6: Final answer
    x = 172,865.20

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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.