Home / 72,192.74-108,216.38-30,096.11

Finding the Fourth Proportional to 72,192.74, 108,216.38 and 30,096.11

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Solution

The fourth proportional to 72,192.74, 108,216.38 and 30,096.11 is: 45,113.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,192.74 : 108,216.38 = 30,096.11 : x
  2. Step 2: Convert to fraction form
    72,192.74/108,216.38 = 30,096.11/x
  3. Step 3: Cross multiply
    72,192.74x = 108,216.38 × 30,096.11
  4. Step 4: Simplify right side
    72,192.74x = 3,256,892,422.06
  5. Step 5: Solve for x
    x = 3,256,892,422.06/72,192.74
  6. Step 6: Final answer
    x = 45,113.85

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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.