Home / 162,001.20-242,892.45-86,112.30

Finding the Fourth Proportional to 162,001.20, 242,892.45 and 86,112.30

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Solution

The fourth proportional to 162,001.20, 242,892.45 and 86,112.30 is: 129,110.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,001.20 : 242,892.45 = 86,112.30 : x
  2. Step 2: Convert to fraction form
    162,001.20/242,892.45 = 86,112.30/x
  3. Step 3: Cross multiply
    162,001.20x = 242,892.45 × 86,112.30
  4. Step 4: Simplify right side
    162,001.20x = 20,916,027,522.14
  5. Step 5: Solve for x
    x = 20,916,027,522.14/162,001.20
  6. Step 6: Final answer
    x = 129,110.32

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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.