Home / 90,926.76-125,536.38-67,011.78

Finding the Fourth Proportional to 90,926.76, 125,536.38 and 67,011.78

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Solution

The fourth proportional to 90,926.76, 125,536.38 and 67,011.78 is: 92,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,926.76 : 125,536.38 = 67,011.78 : x
  2. Step 2: Convert to fraction form
    90,926.76/125,536.38 = 67,011.78/x
  3. Step 3: Cross multiply
    90,926.76x = 125,536.38 × 67,011.78
  4. Step 4: Simplify right side
    90,926.76x = 8,412,416,278.56
  5. Step 5: Solve for x
    x = 8,412,416,278.56/90,926.76
  6. Step 6: Final answer
    x = 92,518.60

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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.