Home / 177,785.38-266,678.33-72,604.35

Finding the Fourth Proportional to 177,785.38, 266,678.33 and 72,604.35

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Solution

The fourth proportional to 177,785.38, 266,678.33 and 72,604.35 is: 108,906.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,785.38 : 266,678.33 = 72,604.35 : x
  2. Step 2: Convert to fraction form
    177,785.38/266,678.33 = 72,604.35/x
  3. Step 3: Cross multiply
    177,785.38x = 266,678.33 × 72,604.35
  4. Step 4: Simplify right side
    177,785.38x = 19,362,006,808.74
  5. Step 5: Solve for x
    x = 19,362,006,808.74/177,785.38
  6. Step 6: Final answer
    x = 108,906.63

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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.