Home / 131,853.75-181,947.36-74,498.04

Finding the Fourth Proportional to 131,853.75, 181,947.36 and 74,498.04

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Solution

The fourth proportional to 131,853.75, 181,947.36 and 74,498.04 is: 102,801.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,853.75 : 181,947.36 = 74,498.04 : x
  2. Step 2: Convert to fraction form
    131,853.75/181,947.36 = 74,498.04/x
  3. Step 3: Cross multiply
    131,853.75x = 181,947.36 × 74,498.04
  4. Step 4: Simplify right side
    131,853.75x = 13,554,721,423.81
  5. Step 5: Solve for x
    x = 13,554,721,423.81/131,853.75
  6. Step 6: Final answer
    x = 102,801.19

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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.