Home / 166,162.16-229,302.61-90,710.66

Finding the Fourth Proportional to 166,162.16, 229,302.61 and 90,710.66

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Solution

The fourth proportional to 166,162.16, 229,302.61 and 90,710.66 is: 125,180.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,162.16 : 229,302.61 = 90,710.66 : x
  2. Step 2: Convert to fraction form
    166,162.16/229,302.61 = 90,710.66/x
  3. Step 3: Cross multiply
    166,162.16x = 229,302.61 × 90,710.66
  4. Step 4: Simplify right side
    166,162.16x = 20,800,189,719.53
  5. Step 5: Solve for x
    x = 20,800,189,719.53/166,162.16
  6. Step 6: Final answer
    x = 125,180.07

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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.