Home / 196,332.81-270,932.10-119,979.70

Finding the Fourth Proportional to 196,332.81, 270,932.10 and 119,979.70

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Solution

The fourth proportional to 196,332.81, 270,932.10 and 119,979.70 is: 165,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,332.81 : 270,932.10 = 119,979.70 : x
  2. Step 2: Convert to fraction form
    196,332.81/270,932.10 = 119,979.70/x
  3. Step 3: Cross multiply
    196,332.81x = 270,932.10 × 119,979.70
  4. Step 4: Simplify right side
    196,332.81x = 32,506,351,478.47
  5. Step 5: Solve for x
    x = 32,506,351,478.47/196,332.81
  6. Step 6: Final answer
    x = 165,567.60

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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.