Home / 102,787.02-141,794.13-68,796.93

Finding the Fourth Proportional to 102,787.02, 141,794.13 and 68,796.93

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Solution

The fourth proportional to 102,787.02, 141,794.13 and 68,796.93 is: 94,904.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,787.02 : 141,794.13 = 68,796.93 : x
  2. Step 2: Convert to fraction form
    102,787.02/141,794.13 = 68,796.93/x
  3. Step 3: Cross multiply
    102,787.02x = 141,794.13 × 68,796.93
  4. Step 4: Simplify right side
    102,787.02x = 9,755,000,836.02
  5. Step 5: Solve for x
    x = 9,755,000,836.02/102,787.02
  6. Step 6: Final answer
    x = 94,904.99

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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.