Home / 152,431.20-227,998.80-136,749.60

Finding the Fourth Proportional to 152,431.20, 227,998.80 and 136,749.60

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Solution

The fourth proportional to 152,431.20, 227,998.80 and 136,749.60 is: 204,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,431.20 : 227,998.80 = 136,749.60 : x
  2. Step 2: Convert to fraction form
    152,431.20/227,998.80 = 136,749.60/x
  3. Step 3: Cross multiply
    152,431.20x = 227,998.80 × 136,749.60
  4. Step 4: Simplify right side
    152,431.20x = 31,178,744,700.48
  5. Step 5: Solve for x
    x = 31,178,744,700.48/152,431.20
  6. Step 6: Final answer
    x = 204,543.06

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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.