Home / 206,447.28-284,829.96-120,386.76

Finding the Fourth Proportional to 206,447.28, 284,829.96 and 120,386.76

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Solution

The fourth proportional to 206,447.28, 284,829.96 and 120,386.76 is: 166,094.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,447.28 : 284,829.96 = 120,386.76 : x
  2. Step 2: Convert to fraction form
    206,447.28/284,829.96 = 120,386.76/x
  3. Step 3: Cross multiply
    206,447.28x = 284,829.96 × 120,386.76
  4. Step 4: Simplify right side
    206,447.28x = 34,289,756,035.33
  5. Step 5: Solve for x
    x = 34,289,756,035.33/206,447.28
  6. Step 6: Final answer
    x = 166,094.49

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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.