Home / 90,787.40-136,180.80-27,607.10

Finding the Fourth Proportional to 90,787.40, 136,180.80 and 27,607.10

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Solution

The fourth proportional to 90,787.40, 136,180.80 and 27,607.10 is: 41,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,787.40 : 136,180.80 = 27,607.10 : x
  2. Step 2: Convert to fraction form
    90,787.40/136,180.80 = 27,607.10/x
  3. Step 3: Cross multiply
    90,787.40x = 136,180.80 × 27,607.10
  4. Step 4: Simplify right side
    90,787.40x = 3,759,556,963.68
  5. Step 5: Solve for x
    x = 3,759,556,963.68/90,787.40
  6. Step 6: Final answer
    x = 41,410.56

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1.5x scale

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.