Home / 144,833.61-199,867.32-81,170.04

Finding the Fourth Proportional to 144,833.61, 199,867.32 and 81,170.04

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Solution

The fourth proportional to 144,833.61, 199,867.32 and 81,170.04 is: 112,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,833.61 : 199,867.32 = 81,170.04 : x
  2. Step 2: Convert to fraction form
    144,833.61/199,867.32 = 81,170.04/x
  3. Step 3: Cross multiply
    144,833.61x = 199,867.32 × 81,170.04
  4. Step 4: Simplify right side
    144,833.61x = 16,223,238,359.09
  5. Step 5: Solve for x
    x = 16,223,238,359.09/144,833.61
  6. Step 6: Final answer
    x = 112,012.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.