Home / 152,007.20-227,354.70-128,387.60

Finding the Fourth Proportional to 152,007.20, 227,354.70 and 128,387.60

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Solution

The fourth proportional to 152,007.20, 227,354.70 and 128,387.60 is: 192,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,007.20 : 227,354.70 = 128,387.60 : x
  2. Step 2: Convert to fraction form
    152,007.20/227,354.70 = 128,387.60/x
  3. Step 3: Cross multiply
    152,007.20x = 227,354.70 × 128,387.60
  4. Step 4: Simplify right side
    152,007.20x = 29,189,524,281.72
  5. Step 5: Solve for x
    x = 29,189,524,281.72/152,007.20
  6. Step 6: Final answer
    x = 192,027.25

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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.