Home / 146,787.88-202,116.85-128,534.18

Finding the Fourth Proportional to 146,787.88, 202,116.85 and 128,534.18

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Solution

The fourth proportional to 146,787.88, 202,116.85 and 128,534.18 is: 176,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,787.88 : 202,116.85 = 128,534.18 : x
  2. Step 2: Convert to fraction form
    146,787.88/202,116.85 = 128,534.18/x
  3. Step 3: Cross multiply
    146,787.88x = 202,116.85 × 128,534.18
  4. Step 4: Simplify right side
    146,787.88x = 25,978,923,578.93
  5. Step 5: Solve for x
    x = 25,978,923,578.93/146,787.88
  6. Step 6: Final answer
    x = 176,982.76

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1.5x scale

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.