Home / 268,166.02-402,268.23-81,192.10

Finding the Fourth Proportional to 268,166.02, 402,268.23 and 81,192.10

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Solution

The fourth proportional to 268,166.02, 402,268.23 and 81,192.10 is: 121,793.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,166.02 : 402,268.23 = 81,192.10 : x
  2. Step 2: Convert to fraction form
    268,166.02/402,268.23 = 81,192.10/x
  3. Step 3: Cross multiply
    268,166.02x = 402,268.23 × 81,192.10
  4. Step 4: Simplify right side
    268,166.02x = 32,661,002,356.98
  5. Step 5: Solve for x
    x = 32,661,002,356.98/268,166.02
  6. Step 6: Final answer
    x = 121,793.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.