Home / 95,558.40-142,531.34-82,979.51

Finding the Fourth Proportional to 95,558.40, 142,531.34 and 82,979.51

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Solution

The fourth proportional to 95,558.40, 142,531.34 and 82,979.51 is: 123,769.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,558.40 : 142,531.34 = 82,979.51 : x
  2. Step 2: Convert to fraction form
    95,558.40/142,531.34 = 82,979.51/x
  3. Step 3: Cross multiply
    95,558.40x = 142,531.34 × 82,979.51
  4. Step 4: Simplify right side
    95,558.40x = 11,827,179,625.29
  5. Step 5: Solve for x
    x = 11,827,179,625.29/95,558.40
  6. Step 6: Final answer
    x = 123,769.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.