Home / 151,405.20-227,107.80-140,000.40

Finding the Fourth Proportional to 151,405.20, 227,107.80 and 140,000.40

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Solution

The fourth proportional to 151,405.20, 227,107.80 and 140,000.40 is: 210,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,405.20 : 227,107.80 = 140,000.40 : x
  2. Step 2: Convert to fraction form
    151,405.20/227,107.80 = 140,000.40/x
  3. Step 3: Cross multiply
    151,405.20x = 227,107.80 × 140,000.40
  4. Step 4: Simplify right side
    151,405.20x = 31,795,182,843.12
  5. Step 5: Solve for x
    x = 31,795,182,843.12/151,405.20
  6. Step 6: Final answer
    x = 210,000.60

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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.