Home / 135,579.19-187,097.02-74,324.97

Finding the Fourth Proportional to 135,579.19, 187,097.02 and 74,324.97

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Solution

The fourth proportional to 135,579.19, 187,097.02 and 74,324.97 is: 102,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,579.19 : 187,097.02 = 74,324.97 : x
  2. Step 2: Convert to fraction form
    135,579.19/187,097.02 = 74,324.97/x
  3. Step 3: Cross multiply
    135,579.19x = 187,097.02 × 74,324.97
  4. Step 4: Simplify right side
    135,579.19x = 13,905,980,398.59
  5. Step 5: Solve for x
    x = 13,905,980,398.59/135,579.19
  6. Step 6: Final answer
    x = 102,567.22

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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.