Home / 177,828.20-266,742.30-147,108.20

Finding the Fourth Proportional to 177,828.20, 266,742.30 and 147,108.20

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Solution

The fourth proportional to 177,828.20, 266,742.30 and 147,108.20 is: 220,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,828.20 : 266,742.30 = 147,108.20 : x
  2. Step 2: Convert to fraction form
    177,828.20/266,742.30 = 147,108.20/x
  3. Step 3: Cross multiply
    177,828.20x = 266,742.30 × 147,108.20
  4. Step 4: Simplify right side
    177,828.20x = 39,239,979,616.86
  5. Step 5: Solve for x
    x = 39,239,979,616.86/177,828.20
  6. Step 6: Final answer
    x = 220,662.30

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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.