Home / 196,749.60-294,680.36-137,848.16

Finding the Fourth Proportional to 196,749.60, 294,680.36 and 137,848.16

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Solution

The fourth proportional to 196,749.60, 294,680.36 and 137,848.16 is: 206,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,749.60 : 294,680.36 = 137,848.16 : x
  2. Step 2: Convert to fraction form
    196,749.60/294,680.36 = 137,848.16/x
  3. Step 3: Cross multiply
    196,749.60x = 294,680.36 × 137,848.16
  4. Step 4: Simplify right side
    196,749.60x = 40,621,145,414.14
  5. Step 5: Solve for x
    x = 40,621,145,414.14/196,749.60
  6. Step 6: Final answer
    x = 206,461.13

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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.