Home / 112,444.30-168,713.08-49,231.80

Finding the Fourth Proportional to 112,444.30, 168,713.08 and 49,231.80

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Solution

The fourth proportional to 112,444.30, 168,713.08 and 49,231.80 is: 73,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,444.30 : 168,713.08 = 49,231.80 : x
  2. Step 2: Convert to fraction form
    112,444.30/168,713.08 = 49,231.80/x
  3. Step 3: Cross multiply
    112,444.30x = 168,713.08 × 49,231.80
  4. Step 4: Simplify right side
    112,444.30x = 8,306,048,488.86
  5. Step 5: Solve for x
    x = 8,306,048,488.86/112,444.30
  6. Step 6: Final answer
    x = 73,868.11

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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.