Home / 205,912.50-284,164.05-115,266.18

Finding the Fourth Proportional to 205,912.50, 284,164.05 and 115,266.18

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Solution

The fourth proportional to 205,912.50, 284,164.05 and 115,266.18 is: 159,070.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,912.50 : 284,164.05 = 115,266.18 : x
  2. Step 2: Convert to fraction form
    205,912.50/284,164.05 = 115,266.18/x
  3. Step 3: Cross multiply
    205,912.50x = 284,164.05 × 115,266.18
  4. Step 4: Simplify right side
    205,912.50x = 32,754,504,536.83
  5. Step 5: Solve for x
    x = 32,754,504,536.83/205,912.50
  6. Step 6: Final answer
    x = 159,070.02

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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.