Home / 156,836.29-235,259.54-74,659.65

Finding the Fourth Proportional to 156,836.29, 235,259.54 and 74,659.65

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Solution

The fourth proportional to 156,836.29, 235,259.54 and 74,659.65 is: 111,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,836.29 : 235,259.54 = 74,659.65 : x
  2. Step 2: Convert to fraction form
    156,836.29/235,259.54 = 74,659.65/x
  3. Step 3: Cross multiply
    156,836.29x = 235,259.54 × 74,659.65
  4. Step 4: Simplify right side
    156,836.29x = 17,564,396,236.02
  5. Step 5: Solve for x
    x = 17,564,396,236.02/156,836.29
  6. Step 6: Final answer
    x = 111,991.92

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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.