Home / 166,572.74-229,869.66-90,091.91

Finding the Fourth Proportional to 166,572.74, 229,869.66 and 90,091.91

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Solution

The fourth proportional to 166,572.74, 229,869.66 and 90,091.91 is: 124,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,572.74 : 229,869.66 = 90,091.91 : x
  2. Step 2: Convert to fraction form
    166,572.74/229,869.66 = 90,091.91/x
  3. Step 3: Cross multiply
    166,572.74x = 229,869.66 × 90,091.91
  4. Step 4: Simplify right side
    166,572.74x = 20,709,397,233.02
  5. Step 5: Solve for x
    x = 20,709,397,233.02/166,572.74
  6. Step 6: Final answer
    x = 124,326.45

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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.