Home / 131,826.39-181,919.52-71,395.71

Finding the Fourth Proportional to 131,826.39, 181,919.52 and 71,395.71

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Solution

The fourth proportional to 131,826.39, 181,919.52 and 71,395.71 is: 98,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,826.39 : 181,919.52 = 71,395.71 : x
  2. Step 2: Convert to fraction form
    131,826.39/181,919.52 = 71,395.71/x
  3. Step 3: Cross multiply
    131,826.39x = 181,919.52 × 71,395.71
  4. Step 4: Simplify right side
    131,826.39x = 12,988,273,293.26
  5. Step 5: Solve for x
    x = 12,988,273,293.26/131,826.39
  6. Step 6: Final answer
    x = 98,525.59

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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.