Home / 205,941.06-284,165.64-115,300.80

Finding the Fourth Proportional to 205,941.06, 284,165.64 and 115,300.80

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Solution

The fourth proportional to 205,941.06, 284,165.64 and 115,300.80 is: 159,096.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,941.06 : 284,165.64 = 115,300.80 : x
  2. Step 2: Convert to fraction form
    205,941.06/284,165.64 = 115,300.80/x
  3. Step 3: Cross multiply
    205,941.06x = 284,165.64 × 115,300.80
  4. Step 4: Simplify right side
    205,941.06x = 32,764,525,624.51
  5. Step 5: Solve for x
    x = 32,764,525,624.51/205,941.06
  6. Step 6: Final answer
    x = 159,096.62

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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.