Home / 266,678.07-400,017.50-108,906.53

Finding the Fourth Proportional to 266,678.07, 400,017.50 and 108,906.53

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Solution

The fourth proportional to 266,678.07, 400,017.50 and 108,906.53 is: 163,359.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,678.07 : 400,017.50 = 108,906.53 : x
  2. Step 2: Convert to fraction form
    266,678.07/400,017.50 = 108,906.53/x
  3. Step 3: Cross multiply
    266,678.07x = 400,017.50 × 108,906.53
  4. Step 4: Simplify right side
    266,678.07x = 43,564,517,864.28
  5. Step 5: Solve for x
    x = 43,564,517,864.28/266,678.07
  6. Step 6: Final answer
    x = 163,359.96

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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.