Home / 102,787.41-154,191.69-38,799.45

Finding the Fourth Proportional to 102,787.41, 154,191.69 and 38,799.45

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Solution

The fourth proportional to 102,787.41, 154,191.69 and 38,799.45 is: 58,203.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,787.41 : 154,191.69 = 38,799.45 : x
  2. Step 2: Convert to fraction form
    102,787.41/154,191.69 = 38,799.45/x
  3. Step 3: Cross multiply
    102,787.41x = 154,191.69 × 38,799.45
  4. Step 4: Simplify right side
    102,787.41x = 5,982,551,898.61
  5. Step 5: Solve for x
    x = 5,982,551,898.61/102,787.41
  6. Step 6: Final answer
    x = 58,203.16

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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.