Home / 166,167.16-229,309.51-90,715.66

Finding the Fourth Proportional to 166,167.16, 229,309.51 and 90,715.66

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Solution

The fourth proportional to 166,167.16, 229,309.51 and 90,715.66 is: 125,186.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,167.16 : 229,309.51 = 90,715.66 : x
  2. Step 2: Convert to fraction form
    166,167.16/229,309.51 = 90,715.66/x
  3. Step 3: Cross multiply
    166,167.16x = 229,309.51 × 90,715.66
  4. Step 4: Simplify right side
    166,167.16x = 20,801,963,543.93
  5. Step 5: Solve for x
    x = 20,801,963,543.93/166,167.16
  6. Step 6: Final answer
    x = 125,186.97

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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.