Home / 155,337.84-232,816.10-80,415.32

Finding the Fourth Proportional to 155,337.84, 232,816.10 and 80,415.32

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Solution

The fourth proportional to 155,337.84, 232,816.10 and 80,415.32 is: 120,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,337.84 : 232,816.10 = 80,415.32 : x
  2. Step 2: Convert to fraction form
    155,337.84/232,816.10 = 80,415.32/x
  3. Step 3: Cross multiply
    155,337.84x = 232,816.10 × 80,415.32
  4. Step 4: Simplify right side
    155,337.84x = 18,721,979,616.49
  5. Step 5: Solve for x
    x = 18,721,979,616.49/155,337.84
  6. Step 6: Final answer
    x = 120,524.27

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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.