Home / 330,876.42-496,072.66-106,108.91

Finding the Fourth Proportional to 330,876.42, 496,072.66 and 106,108.91

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Solution

The fourth proportional to 330,876.42, 496,072.66 and 106,108.91 is: 159,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,876.42 : 496,072.66 = 106,108.91 : x
  2. Step 2: Convert to fraction form
    330,876.42/496,072.66 = 106,108.91/x
  3. Step 3: Cross multiply
    330,876.42x = 496,072.66 × 106,108.91
  4. Step 4: Simplify right side
    330,876.42x = 52,637,727,727.95
  5. Step 5: Solve for x
    x = 52,637,727,727.95/330,876.42
  6. Step 6: Final answer
    x = 159,085.77

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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.