Home / 159,064.04-238,399.08-80,135.20

Finding the Fourth Proportional to 159,064.04, 238,399.08 and 80,135.20

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Solution

The fourth proportional to 159,064.04, 238,399.08 and 80,135.20 is: 120,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,064.04 : 238,399.08 = 80,135.20 : x
  2. Step 2: Convert to fraction form
    159,064.04/238,399.08 = 80,135.20/x
  3. Step 3: Cross multiply
    159,064.04x = 238,399.08 × 80,135.20
  4. Step 4: Simplify right side
    159,064.04x = 19,104,157,955.62
  5. Step 5: Solve for x
    x = 19,104,157,955.62/159,064.04
  6. Step 6: Final answer
    x = 120,103.56

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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.