Home / 196,127.75-294,191.63-137,078.75

Finding the Fourth Proportional to 196,127.75, 294,191.63 and 137,078.75

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Solution

The fourth proportional to 196,127.75, 294,191.63 and 137,078.75 is: 205,618.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,127.75 : 294,191.63 = 137,078.75 : x
  2. Step 2: Convert to fraction form
    196,127.75/294,191.63 = 137,078.75/x
  3. Step 3: Cross multiply
    196,127.75x = 294,191.63 × 137,078.75
  4. Step 4: Simplify right side
    196,127.75x = 40,327,421,979.04
  5. Step 5: Solve for x
    x = 40,327,421,979.04/196,127.75
  6. Step 6: Final answer
    x = 205,618.13

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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.