Home / 199,400.31-298,397.85-124,555.68

Finding the Fourth Proportional to 199,400.31, 298,397.85 and 124,555.68

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Solution

The fourth proportional to 199,400.31, 298,397.85 and 124,555.68 is: 186,394.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,400.31 : 298,397.85 = 124,555.68 : x
  2. Step 2: Convert to fraction form
    199,400.31/298,397.85 = 124,555.68/x
  3. Step 3: Cross multiply
    199,400.31x = 298,397.85 × 124,555.68
  4. Step 4: Simplify right side
    199,400.31x = 37,167,147,117.29
  5. Step 5: Solve for x
    x = 37,167,147,117.29/199,400.31
  6. Step 6: Final answer
    x = 186,394.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.