Home / 119,040.21-178,488.70-55,874.18

Finding the Fourth Proportional to 119,040.21, 178,488.70 and 55,874.18

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Solution

The fourth proportional to 119,040.21, 178,488.70 and 55,874.18 is: 83,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,040.21 : 178,488.70 = 55,874.18 : x
  2. Step 2: Convert to fraction form
    119,040.21/178,488.70 = 55,874.18/x
  3. Step 3: Cross multiply
    119,040.21x = 178,488.70 × 55,874.18
  4. Step 4: Simplify right side
    119,040.21x = 9,972,910,058.30
  5. Step 5: Solve for x
    x = 9,972,910,058.30/119,040.21
  6. Step 6: Final answer
    x = 83,777.66

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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.