Home / 166,419.43-229,658.81-90,967.93

Finding the Fourth Proportional to 166,419.43, 229,658.81 and 90,967.93

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Solution

The fourth proportional to 166,419.43, 229,658.81 and 90,967.93 is: 125,535.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,419.43 : 229,658.81 = 90,967.93 : x
  2. Step 2: Convert to fraction form
    166,419.43/229,658.81 = 90,967.93/x
  3. Step 3: Cross multiply
    166,419.43x = 229,658.81 × 90,967.93
  4. Step 4: Simplify right side
    166,419.43x = 20,891,585,522.98
  5. Step 5: Solve for x
    x = 20,891,585,522.98/166,419.43
  6. Step 6: Final answer
    x = 125,535.74

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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.