Home / 119,927.36-179,790.60-75,443.78

Finding the Fourth Proportional to 119,927.36, 179,790.60 and 75,443.78

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Solution

The fourth proportional to 119,927.36, 179,790.60 and 75,443.78 is: 113,102.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,927.36 : 179,790.60 = 75,443.78 : x
  2. Step 2: Convert to fraction form
    119,927.36/179,790.60 = 75,443.78/x
  3. Step 3: Cross multiply
    119,927.36x = 179,790.60 × 75,443.78
  4. Step 4: Simplify right side
    119,927.36x = 13,564,082,472.47
  5. Step 5: Solve for x
    x = 13,564,082,472.47/119,927.36
  6. Step 6: Final answer
    x = 113,102.49

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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.