Home / 177,826.80-266,740.20-128,254.80

Finding the Fourth Proportional to 177,826.80, 266,740.20 and 128,254.80

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Solution

The fourth proportional to 177,826.80, 266,740.20 and 128,254.80 is: 192,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,826.80 : 266,740.20 = 128,254.80 : x
  2. Step 2: Convert to fraction form
    177,826.80/266,740.20 = 128,254.80/x
  3. Step 3: Cross multiply
    177,826.80x = 266,740.20 × 128,254.80
  4. Step 4: Simplify right side
    177,826.80x = 34,210,711,002.96
  5. Step 5: Solve for x
    x = 34,210,711,002.96/177,826.80
  6. Step 6: Final answer
    x = 192,382.20

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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.