Home / 76,180.28-114,226.66-40,597.78

Finding the Fourth Proportional to 76,180.28, 114,226.66 and 40,597.78

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Solution

The fourth proportional to 76,180.28, 114,226.66 and 40,597.78 is: 60,873.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,180.28 : 114,226.66 = 40,597.78 : x
  2. Step 2: Convert to fraction form
    76,180.28/114,226.66 = 40,597.78/x
  3. Step 3: Cross multiply
    76,180.28x = 114,226.66 × 40,597.78
  4. Step 4: Simplify right side
    76,180.28x = 4,637,348,812.81
  5. Step 5: Solve for x
    x = 4,637,348,812.81/76,180.28
  6. Step 6: Final answer
    x = 60,873.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.