Home / 119,759.05-179,490.65-102,772.66

Finding the Fourth Proportional to 119,759.05, 179,490.65 and 102,772.66

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Solution

The fourth proportional to 119,759.05, 179,490.65 and 102,772.66 is: 154,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,759.05 : 179,490.65 = 102,772.66 : x
  2. Step 2: Convert to fraction form
    119,759.05/179,490.65 = 102,772.66/x
  3. Step 3: Cross multiply
    119,759.05x = 179,490.65 × 102,772.66
  4. Step 4: Simplify right side
    119,759.05x = 18,446,731,545.63
  5. Step 5: Solve for x
    x = 18,446,731,545.63/119,759.05
  6. Step 6: Final answer
    x = 154,032.05

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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.