Home / 268,174.02-402,280.23-81,200.10

Finding the Fourth Proportional to 268,174.02, 402,280.23 and 81,200.10

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Solution

The fourth proportional to 268,174.02, 402,280.23 and 81,200.10 is: 121,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,174.02 : 402,280.23 = 81,200.10 : x
  2. Step 2: Convert to fraction form
    268,174.02/402,280.23 = 81,200.10/x
  3. Step 3: Cross multiply
    268,174.02x = 402,280.23 × 81,200.10
  4. Step 4: Simplify right side
    268,174.02x = 32,665,194,904.02
  5. Step 5: Solve for x
    x = 32,665,194,904.02/268,174.02
  6. Step 6: Final answer
    x = 121,805.96

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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.