Home / 199,400.25-298,397.79-124,555.64

Finding the Fourth Proportional to 199,400.25, 298,397.79 and 124,555.64

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Solution

The fourth proportional to 199,400.25, 298,397.79 and 124,555.64 is: 186,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,400.25 : 298,397.79 = 124,555.64 : x
  2. Step 2: Convert to fraction form
    199,400.25/298,397.79 = 124,555.64/x
  3. Step 3: Cross multiply
    199,400.25x = 298,397.79 × 124,555.64
  4. Step 4: Simplify right side
    199,400.25x = 37,167,127,894.53
  5. Step 5: Solve for x
    x = 37,167,127,894.53/199,400.25
  6. Step 6: Final answer
    x = 186,394.59

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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.