Home / 198,417.96-273,701.70-130,447.08

Finding the Fourth Proportional to 198,417.96, 273,701.70 and 130,447.08

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Solution

The fourth proportional to 198,417.96, 273,701.70 and 130,447.08 is: 179,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,417.96 : 273,701.70 = 130,447.08 : x
  2. Step 2: Convert to fraction form
    198,417.96/273,701.70 = 130,447.08/x
  3. Step 3: Cross multiply
    198,417.96x = 273,701.70 × 130,447.08
  4. Step 4: Simplify right side
    198,417.96x = 35,703,587,556.04
  5. Step 5: Solve for x
    x = 35,703,587,556.04/198,417.96
  6. Step 6: Final answer
    x = 179,941.31

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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.