Home / 112,541.29-155,305.72-61,555.48

Finding the Fourth Proportional to 112,541.29, 155,305.72 and 61,555.48

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Solution

The fourth proportional to 112,541.29, 155,305.72 and 61,555.48 is: 84,945.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,541.29 : 155,305.72 = 61,555.48 : x
  2. Step 2: Convert to fraction form
    112,541.29/155,305.72 = 61,555.48/x
  3. Step 3: Cross multiply
    112,541.29x = 155,305.72 × 61,555.48
  4. Step 4: Simplify right side
    112,541.29x = 9,559,917,833.57
  5. Step 5: Solve for x
    x = 9,559,917,833.57/112,541.29
  6. Step 6: Final answer
    x = 84,945.87

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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.