Home / 112,439.76-168,685.24-38,563.28

Finding the Fourth Proportional to 112,439.76, 168,685.24 and 38,563.28

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Solution

The fourth proportional to 112,439.76, 168,685.24 and 38,563.28 is: 57,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,439.76 : 168,685.24 = 38,563.28 : x
  2. Step 2: Convert to fraction form
    112,439.76/168,685.24 = 38,563.28/x
  3. Step 3: Cross multiply
    112,439.76x = 168,685.24 × 38,563.28
  4. Step 4: Simplify right side
    112,439.76x = 6,505,056,141.99
  5. Step 5: Solve for x
    x = 6,505,056,141.99/112,439.76
  6. Step 6: Final answer
    x = 57,853.70

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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.