Home / 155,540.56-233,301.12-80,638.24

Finding the Fourth Proportional to 155,540.56, 233,301.12 and 80,638.24

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Solution

The fourth proportional to 155,540.56, 233,301.12 and 80,638.24 is: 120,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,540.56 : 233,301.12 = 80,638.24 : x
  2. Step 2: Convert to fraction form
    155,540.56/233,301.12 = 80,638.24/x
  3. Step 3: Cross multiply
    155,540.56x = 233,301.12 × 80,638.24
  4. Step 4: Simplify right side
    155,540.56x = 18,812,991,706.83
  5. Step 5: Solve for x
    x = 18,812,991,706.83/155,540.56
  6. Step 6: Final answer
    x = 120,952.32

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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.