Home / 199,746.39-275,761.40-138,583.29

Finding the Fourth Proportional to 199,746.39, 275,761.40 and 138,583.29

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Solution

The fourth proportional to 199,746.39, 275,761.40 and 138,583.29 is: 191,322.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,746.39 : 275,761.40 = 138,583.29 : x
  2. Step 2: Convert to fraction form
    199,746.39/275,761.40 = 138,583.29/x
  3. Step 3: Cross multiply
    199,746.39x = 275,761.40 × 138,583.29
  4. Step 4: Simplify right side
    199,746.39x = 38,215,921,034.66
  5. Step 5: Solve for x
    x = 38,215,921,034.66/199,746.39
  6. Step 6: Final answer
    x = 191,322.22

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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.