Home / 119,474.20-179,235.80-99,889.62

Finding the Fourth Proportional to 119,474.20, 179,235.80 and 99,889.62

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Solution

The fourth proportional to 119,474.20, 179,235.80 and 99,889.62 is: 149,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,474.20 : 179,235.80 = 99,889.62 : x
  2. Step 2: Convert to fraction form
    119,474.20/179,235.80 = 99,889.62/x
  3. Step 3: Cross multiply
    119,474.20x = 179,235.80 × 99,889.62
  4. Step 4: Simplify right side
    119,474.20x = 17,903,795,952.40
  5. Step 5: Solve for x
    x = 17,903,795,952.40/119,474.20
  6. Step 6: Final answer
    x = 149,854.91

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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.