Home / 152,816.40-228,787.20-135,320.40

Finding the Fourth Proportional to 152,816.40, 228,787.20 and 135,320.40

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Solution

The fourth proportional to 152,816.40, 228,787.20 and 135,320.40 is: 202,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,816.40 : 228,787.20 = 135,320.40 : x
  2. Step 2: Convert to fraction form
    152,816.40/228,787.20 = 135,320.40/x
  3. Step 3: Cross multiply
    152,816.40x = 228,787.20 × 135,320.40
  4. Step 4: Simplify right side
    152,816.40x = 30,959,575,418.88
  5. Step 5: Solve for x
    x = 30,959,575,418.88/152,816.40
  6. Step 6: Final answer
    x = 202,593.28

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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.