Home / 206,064.47-284,365.62-115,420.21

Finding the Fourth Proportional to 206,064.47, 284,365.62 and 115,420.21

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Solution

The fourth proportional to 206,064.47, 284,365.62 and 115,420.21 is: 159,278.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,064.47 : 284,365.62 = 115,420.21 : x
  2. Step 2: Convert to fraction form
    206,064.47/284,365.62 = 115,420.21/x
  3. Step 3: Cross multiply
    206,064.47x = 284,365.62 × 115,420.21
  4. Step 4: Simplify right side
    206,064.47x = 32,821,538,866.27
  5. Step 5: Solve for x
    x = 32,821,538,866.27/206,064.47
  6. Step 6: Final answer
    x = 159,278.01

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1.5x scale

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.