Home / 148,259.52-204,596.70-80,274.78

Finding the Fourth Proportional to 148,259.52, 204,596.70 and 80,274.78

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Solution

The fourth proportional to 148,259.52, 204,596.70 and 80,274.78 is: 110,778.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,259.52 : 204,596.70 = 80,274.78 : x
  2. Step 2: Convert to fraction form
    148,259.52/204,596.70 = 80,274.78/x
  3. Step 3: Cross multiply
    148,259.52x = 204,596.70 × 80,274.78
  4. Step 4: Simplify right side
    148,259.52x = 16,423,955,081.23
  5. Step 5: Solve for x
    x = 16,423,955,081.23/148,259.52
  6. Step 6: Final answer
    x = 110,778.42

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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.