Home / 206,061.24-284,361.12-115,416.36

Finding the Fourth Proportional to 206,061.24, 284,361.12 and 115,416.36

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Solution

The fourth proportional to 206,061.24, 284,361.12 and 115,416.36 is: 159,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,061.24 : 284,361.12 = 115,416.36 : x
  2. Step 2: Convert to fraction form
    206,061.24/284,361.12 = 115,416.36/x
  3. Step 3: Cross multiply
    206,061.24x = 284,361.12 × 115,416.36
  4. Step 4: Simplify right side
    206,061.24x = 32,819,925,395.92
  5. Step 5: Solve for x
    x = 32,819,925,395.92/206,061.24
  6. Step 6: Final answer
    x = 159,272.68

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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.