Home / 86,926.90-119,841.33-74,315.55

Finding the Fourth Proportional to 86,926.90, 119,841.33 and 74,315.55

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Solution

The fourth proportional to 86,926.90, 119,841.33 and 74,315.55 is: 102,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,926.90 : 119,841.33 = 74,315.55 : x
  2. Step 2: Convert to fraction form
    86,926.90/119,841.33 = 74,315.55/x
  3. Step 3: Cross multiply
    86,926.90x = 119,841.33 × 74,315.55
  4. Step 4: Simplify right side
    86,926.90x = 8,906,074,351.68
  5. Step 5: Solve for x
    x = 8,906,074,351.68/86,926.90
  6. Step 6: Final answer
    x = 102,454.76

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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.