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Finding the Fourth Proportional to 136,006.20, 204,009.30 and 47,230.20

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Solution

The fourth proportional to 136,006.20, 204,009.30 and 47,230.20 is: 70,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,006.20 : 204,009.30 = 47,230.20 : x
  2. Step 2: Convert to fraction form
    136,006.20/204,009.30 = 47,230.20/x
  3. Step 3: Cross multiply
    136,006.20x = 204,009.30 × 47,230.20
  4. Step 4: Simplify right side
    136,006.20x = 9,635,400,040.86
  5. Step 5: Solve for x
    x = 9,635,400,040.86/136,006.20
  6. Step 6: Final answer
    x = 70,845.30

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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.