Home / 112,122.73-168,180.44-45,543.16

Finding the Fourth Proportional to 112,122.73, 168,180.44 and 45,543.16

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Solution

The fourth proportional to 112,122.73, 168,180.44 and 45,543.16 is: 68,313.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,122.73 : 168,180.44 = 45,543.16 : x
  2. Step 2: Convert to fraction form
    112,122.73/168,180.44 = 45,543.16/x
  3. Step 3: Cross multiply
    112,122.73x = 168,180.44 × 45,543.16
  4. Step 4: Simplify right side
    112,122.73x = 7,659,468,687.79
  5. Step 5: Solve for x
    x = 7,659,468,687.79/112,122.73
  6. Step 6: Final answer
    x = 68,313.26

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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.