Home / 135,184.09-186,537.76-74,746.57

Finding the Fourth Proportional to 135,184.09, 186,537.76 and 74,746.57

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Solution

The fourth proportional to 135,184.09, 186,537.76 and 74,746.57 is: 103,141.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,184.09 : 186,537.76 = 74,746.57 : x
  2. Step 2: Convert to fraction form
    135,184.09/186,537.76 = 74,746.57/x
  3. Step 3: Cross multiply
    135,184.09x = 186,537.76 × 74,746.57
  4. Step 4: Simplify right side
    135,184.09x = 13,943,057,735.48
  5. Step 5: Solve for x
    x = 13,943,057,735.48/135,184.09
  6. Step 6: Final answer
    x = 103,141.26

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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.