Home / 124,315.20-171,496.20-84,043.08

Finding the Fourth Proportional to 124,315.20, 171,496.20 and 84,043.08

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Solution

The fourth proportional to 124,315.20, 171,496.20 and 84,043.08 is: 115,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,315.20 : 171,496.20 = 84,043.08 : x
  2. Step 2: Convert to fraction form
    124,315.20/171,496.20 = 84,043.08/x
  3. Step 3: Cross multiply
    124,315.20x = 171,496.20 × 84,043.08
  4. Step 4: Simplify right side
    124,315.20x = 14,413,068,856.30
  5. Step 5: Solve for x
    x = 14,413,068,856.30/124,315.20
  6. Step 6: Final answer
    x = 115,939.71

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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.