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Finding the Fourth Proportional to 162,833.70, 244,250.55 and 120,843.30

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Solution

The fourth proportional to 162,833.70, 244,250.55 and 120,843.30 is: 181,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,833.70 : 244,250.55 = 120,843.30 : x
  2. Step 2: Convert to fraction form
    162,833.70/244,250.55 = 120,843.30/x
  3. Step 3: Cross multiply
    162,833.70x = 244,250.55 × 120,843.30
  4. Step 4: Simplify right side
    162,833.70x = 29,516,042,488.82
  5. Step 5: Solve for x
    x = 29,516,042,488.82/162,833.70
  6. Step 6: Final answer
    x = 181,264.95

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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.