Home / 112,247.40-168,604.38-89,036.04

Finding the Fourth Proportional to 112,247.40, 168,604.38 and 89,036.04

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Solution

The fourth proportional to 112,247.40, 168,604.38 and 89,036.04 is: 133,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,247.40 : 168,604.38 = 89,036.04 : x
  2. Step 2: Convert to fraction form
    112,247.40/168,604.38 = 89,036.04/x
  3. Step 3: Cross multiply
    112,247.40x = 168,604.38 × 89,036.04
  4. Step 4: Simplify right side
    112,247.40x = 15,011,866,321.86
  5. Step 5: Solve for x
    x = 15,011,866,321.86/112,247.40
  6. Step 6: Final answer
    x = 133,739.10

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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.