Home / 268,167.02-402,269.73-81,193.10

Finding the Fourth Proportional to 268,167.02, 402,269.73 and 81,193.10

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Solution

The fourth proportional to 268,167.02, 402,269.73 and 81,193.10 is: 121,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,167.02 : 402,269.73 = 81,193.10 : x
  2. Step 2: Convert to fraction form
    268,167.02/402,269.73 = 81,193.10/x
  3. Step 3: Cross multiply
    268,167.02x = 402,269.73 × 81,193.10
  4. Step 4: Simplify right side
    268,167.02x = 32,661,526,414.86
  5. Step 5: Solve for x
    x = 32,661,526,414.86/268,167.02
  6. Step 6: Final answer
    x = 121,795.46

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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.