Home / 136,091.19-204,141.38-47,345.43

Finding the Fourth Proportional to 136,091.19, 204,141.38 and 47,345.43

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Solution

The fourth proportional to 136,091.19, 204,141.38 and 47,345.43 is: 71,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,091.19 : 204,141.38 = 47,345.43 : x
  2. Step 2: Convert to fraction form
    136,091.19/204,141.38 = 47,345.43/x
  3. Step 3: Cross multiply
    136,091.19x = 204,141.38 × 47,345.43
  4. Step 4: Simplify right side
    136,091.19x = 9,665,161,535.26
  5. Step 5: Solve for x
    x = 9,665,161,535.26/136,091.19
  6. Step 6: Final answer
    x = 71,019.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.