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Finding the Fourth Proportional to 149,488.70, 206,080.08 and 117,602.24

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Solution

The fourth proportional to 149,488.70, 206,080.08 and 117,602.24 is: 162,122.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,488.70 : 206,080.08 = 117,602.24 : x
  2. Step 2: Convert to fraction form
    149,488.70/206,080.08 = 117,602.24/x
  3. Step 3: Cross multiply
    149,488.70x = 206,080.08 × 117,602.24
  4. Step 4: Simplify right side
    149,488.70x = 24,235,479,027.38
  5. Step 5: Solve for x
    x = 24,235,479,027.38/149,488.70
  6. Step 6: Final answer
    x = 162,122.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.