Home / 162,042.12-242,972.06-111,500.55

Finding the Fourth Proportional to 162,042.12, 242,972.06 and 111,500.55

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Solution

The fourth proportional to 162,042.12, 242,972.06 and 111,500.55 is: 167,188.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,042.12 : 242,972.06 = 111,500.55 : x
  2. Step 2: Convert to fraction form
    162,042.12/242,972.06 = 111,500.55/x
  3. Step 3: Cross multiply
    162,042.12x = 242,972.06 × 111,500.55
  4. Step 4: Simplify right side
    162,042.12x = 27,091,517,767.13
  5. Step 5: Solve for x
    x = 27,091,517,767.13/162,042.12
  6. Step 6: Final answer
    x = 167,188.12

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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.