Home / 77,382.32-116,209.58-76,274.24

Finding the Fourth Proportional to 77,382.32, 116,209.58 and 76,274.24

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Solution

The fourth proportional to 77,382.32, 116,209.58 and 76,274.24 is: 114,545.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,382.32 : 116,209.58 = 76,274.24 : x
  2. Step 2: Convert to fraction form
    77,382.32/116,209.58 = 76,274.24/x
  3. Step 3: Cross multiply
    77,382.32x = 116,209.58 × 76,274.24
  4. Step 4: Simplify right side
    77,382.32x = 8,863,796,432.80
  5. Step 5: Solve for x
    x = 8,863,796,432.80/77,382.32
  6. Step 6: Final answer
    x = 114,545.51

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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.