Home / 155,727.72-233,665.48-80,808

Finding the Fourth Proportional to 155,727.72, 233,665.48 and 80,808

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Solution

The fourth proportional to 155,727.72, 233,665.48 and 80,808 is: 121,250.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,727.72 : 233,665.48 = 80,808 : x
  2. Step 2: Convert to fraction form
    155,727.72/233,665.48 = 80,808/x
  3. Step 3: Cross multiply
    155,727.72x = 233,665.48 × 80,808
  4. Step 4: Simplify right side
    155,727.72x = 18,882,040,107.84
  5. Step 5: Solve for x
    x = 18,882,040,107.84/155,727.72
  6. Step 6: Final answer
    x = 121,250.35

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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.