Home / 134,787.40-202,310.70-68,302.60

Finding the Fourth Proportional to 134,787.40, 202,310.70 and 68,302.60

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Solution

The fourth proportional to 134,787.40, 202,310.70 and 68,302.60 is: 102,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,787.40 : 202,310.70 = 68,302.60 : x
  2. Step 2: Convert to fraction form
    134,787.40/202,310.70 = 68,302.60/x
  3. Step 3: Cross multiply
    134,787.40x = 202,310.70 × 68,302.60
  4. Step 4: Simplify right side
    134,787.40x = 13,818,346,817.82
  5. Step 5: Solve for x
    x = 13,818,346,817.82/134,787.40
  6. Step 6: Final answer
    x = 102,519.57

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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.