Home / 112,247.71-168,353.25-45,685.15

Finding the Fourth Proportional to 112,247.71, 168,353.25 and 45,685.15

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Solution

The fourth proportional to 112,247.71, 168,353.25 and 45,685.15 is: 68,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,247.71 : 168,353.25 = 45,685.15 : x
  2. Step 2: Convert to fraction form
    112,247.71/168,353.25 = 45,685.15/x
  3. Step 3: Cross multiply
    112,247.71x = 168,353.25 × 45,685.15
  4. Step 4: Simplify right side
    112,247.71x = 7,691,243,479.24
  5. Step 5: Solve for x
    x = 7,691,243,479.24/112,247.71
  6. Step 6: Final answer
    x = 68,520.27

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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.