Home / 196,646.82-271,363.90-120,294.08

Finding the Fourth Proportional to 196,646.82, 271,363.90 and 120,294.08

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Solution

The fourth proportional to 196,646.82, 271,363.90 and 120,294.08 is: 166,000.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,646.82 : 271,363.90 = 120,294.08 : x
  2. Step 2: Convert to fraction form
    196,646.82/271,363.90 = 120,294.08/x
  3. Step 3: Cross multiply
    196,646.82x = 271,363.90 × 120,294.08
  4. Step 4: Simplify right side
    196,646.82x = 32,643,470,695.71
  5. Step 5: Solve for x
    x = 32,643,470,695.71/196,646.82
  6. Step 6: Final answer
    x = 166,000.50

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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.