Home / 120,656.56-181,045.20-54,144.24

Finding the Fourth Proportional to 120,656.56, 181,045.20 and 54,144.24

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Solution

The fourth proportional to 120,656.56, 181,045.20 and 54,144.24 is: 81,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,656.56 : 181,045.20 = 54,144.24 : x
  2. Step 2: Convert to fraction form
    120,656.56/181,045.20 = 54,144.24/x
  3. Step 3: Cross multiply
    120,656.56x = 181,045.20 × 54,144.24
  4. Step 4: Simplify right side
    120,656.56x = 9,802,554,759.65
  5. Step 5: Solve for x
    x = 9,802,554,759.65/120,656.56
  6. Step 6: Final answer
    x = 81,243.45

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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.