Home / 159,056.03-238,387.08-80,127.20

Finding the Fourth Proportional to 159,056.03, 238,387.08 and 80,127.20

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Solution

The fourth proportional to 159,056.03, 238,387.08 and 80,127.20 is: 120,091.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,056.03 : 238,387.08 = 80,127.20 : x
  2. Step 2: Convert to fraction form
    159,056.03/238,387.08 = 80,127.20/x
  3. Step 3: Cross multiply
    159,056.03x = 238,387.08 × 80,127.20
  4. Step 4: Simplify right side
    159,056.03x = 19,101,289,236.58
  5. Step 5: Solve for x
    x = 19,101,289,236.58/159,056.03
  6. Step 6: Final answer
    x = 120,091.58

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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.