Home / 112,504.32-168,759.45-49,291.92

Finding the Fourth Proportional to 112,504.32, 168,759.45 and 49,291.92

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Solution

The fourth proportional to 112,504.32, 168,759.45 and 49,291.92 is: 73,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,504.32 : 168,759.45 = 49,291.92 : x
  2. Step 2: Convert to fraction form
    112,504.32/168,759.45 = 49,291.92/x
  3. Step 3: Cross multiply
    112,504.32x = 168,759.45 × 49,291.92
  4. Step 4: Simplify right side
    112,504.32x = 8,318,477,308.64
  5. Step 5: Solve for x
    x = 8,318,477,308.64/112,504.32
  6. Step 6: Final answer
    x = 73,939.18

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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.