Home / 76,065.28-114,097.92-74,315.68

Finding the Fourth Proportional to 76,065.28, 114,097.92 and 74,315.68

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Solution

The fourth proportional to 76,065.28, 114,097.92 and 74,315.68 is: 111,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,065.28 : 114,097.92 = 74,315.68 : x
  2. Step 2: Convert to fraction form
    76,065.28/114,097.92 = 74,315.68/x
  3. Step 3: Cross multiply
    76,065.28x = 114,097.92 × 74,315.68
  4. Step 4: Simplify right side
    76,065.28x = 8,479,264,511.39
  5. Step 5: Solve for x
    x = 8,479,264,511.39/76,065.28
  6. Step 6: Final answer
    x = 111,473.52

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1.5x scale

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.