Home / 134,787.30-202,224.15-90,464.10

Finding the Fourth Proportional to 134,787.30, 202,224.15 and 90,464.10

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Solution

The fourth proportional to 134,787.30, 202,224.15 and 90,464.10 is: 135,725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,787.30 : 202,224.15 = 90,464.10 : x
  2. Step 2: Convert to fraction form
    134,787.30/202,224.15 = 90,464.10/x
  3. Step 3: Cross multiply
    134,787.30x = 202,224.15 × 90,464.10
  4. Step 4: Simplify right side
    134,787.30x = 18,294,025,728.02
  5. Step 5: Solve for x
    x = 18,294,025,728.02/134,787.30
  6. Step 6: Final answer
    x = 135,725.14

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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.