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Finding the Fourth Proportional to 169,805.80, 254,103.90 and 147,860.20

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Solution

The fourth proportional to 169,805.80, 254,103.90 and 147,860.20 is: 221,263.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,805.80 : 254,103.90 = 147,860.20 : x
  2. Step 2: Convert to fraction form
    169,805.80/254,103.90 = 147,860.20/x
  3. Step 3: Cross multiply
    169,805.80x = 254,103.90 × 147,860.20
  4. Step 4: Simplify right side
    169,805.80x = 37,571,853,474.78
  5. Step 5: Solve for x
    x = 37,571,853,474.78/169,805.80
  6. Step 6: Final answer
    x = 221,263.66

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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.