Home / 177,621.80-266,432.70-137,964.20

Finding the Fourth Proportional to 177,621.80, 266,432.70 and 137,964.20

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Solution

The fourth proportional to 177,621.80, 266,432.70 and 137,964.20 is: 206,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,621.80 : 266,432.70 = 137,964.20 : x
  2. Step 2: Convert to fraction form
    177,621.80/266,432.70 = 137,964.20/x
  3. Step 3: Cross multiply
    177,621.80x = 266,432.70 × 137,964.20
  4. Step 4: Simplify right side
    177,621.80x = 36,758,174,309.34
  5. Step 5: Solve for x
    x = 36,758,174,309.34/177,621.80
  6. Step 6: Final answer
    x = 206,946.30

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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.