Home / 151,738.80-227,608.20-72,812.40

Finding the Fourth Proportional to 151,738.80, 227,608.20 and 72,812.40

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Solution

The fourth proportional to 151,738.80, 227,608.20 and 72,812.40 is: 109,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,738.80 : 227,608.20 = 72,812.40 : x
  2. Step 2: Convert to fraction form
    151,738.80/227,608.20 = 72,812.40/x
  3. Step 3: Cross multiply
    151,738.80x = 227,608.20 × 72,812.40
  4. Step 4: Simplify right side
    151,738.80x = 16,572,699,301.68
  5. Step 5: Solve for x
    x = 16,572,699,301.68/151,738.80
  6. Step 6: Final answer
    x = 109,218.60

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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.