Home / 166,155.76-229,294.80-90,704.24

Finding the Fourth Proportional to 166,155.76, 229,294.80 and 90,704.24

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Solution

The fourth proportional to 166,155.76, 229,294.80 and 90,704.24 is: 125,171.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,155.76 : 229,294.80 = 90,704.24 : x
  2. Step 2: Convert to fraction form
    166,155.76/229,294.80 = 90,704.24/x
  3. Step 3: Cross multiply
    166,155.76x = 229,294.80 × 90,704.24
  4. Step 4: Simplify right side
    166,155.76x = 20,798,010,569.95
  5. Step 5: Solve for x
    x = 20,798,010,569.95/166,155.76
  6. Step 6: Final answer
    x = 125,171.77

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1.5x scale

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.