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Finding the Fourth Proportional to 162,104.01, 242,829.84 and 80,805.69

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Solution

The fourth proportional to 162,104.01, 242,829.84 and 80,805.69 is: 121,045.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,104.01 : 242,829.84 = 80,805.69 : x
  2. Step 2: Convert to fraction form
    162,104.01/242,829.84 = 80,805.69/x
  3. Step 3: Cross multiply
    162,104.01x = 242,829.84 × 80,805.69
  4. Step 4: Simplify right side
    162,104.01x = 19,622,032,773.79
  5. Step 5: Solve for x
    x = 19,622,032,773.79/162,104.01
  6. Step 6: Final answer
    x = 121,045.94

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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.