Home / 266,701.14-368,081.96-152,021.61

Finding the Fourth Proportional to 266,701.14, 368,081.96 and 152,021.61

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Solution

The fourth proportional to 266,701.14, 368,081.96 and 152,021.61 is: 209,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,701.14 : 368,081.96 = 152,021.61 : x
  2. Step 2: Convert to fraction form
    266,701.14/368,081.96 = 152,021.61/x
  3. Step 3: Cross multiply
    266,701.14x = 368,081.96 × 152,021.61
  4. Step 4: Simplify right side
    266,701.14x = 55,956,411,411.05
  5. Step 5: Solve for x
    x = 55,956,411,411.05/266,701.14
  6. Step 6: Final answer
    x = 209,809.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.