Home / 166,307.39-229,503.80-90,856.43

Finding the Fourth Proportional to 166,307.39, 229,503.80 and 90,856.43

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Solution

The fourth proportional to 166,307.39, 229,503.80 and 90,856.43 is: 125,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,307.39 : 229,503.80 = 90,856.43 : x
  2. Step 2: Convert to fraction form
    166,307.39/229,503.80 = 90,856.43/x
  3. Step 3: Cross multiply
    166,307.39x = 229,503.80 × 90,856.43
  4. Step 4: Simplify right side
    166,307.39x = 20,851,894,791.92
  5. Step 5: Solve for x
    x = 20,851,894,791.92/166,307.39
  6. Step 6: Final answer
    x = 125,381.65

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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.