Home / 154,918.52-232,190.92-79,997.82

Finding the Fourth Proportional to 154,918.52, 232,190.92 and 79,997.82

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Solution

The fourth proportional to 154,918.52, 232,190.92 and 79,997.82 is: 119,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,918.52 : 232,190.92 = 79,997.82 : x
  2. Step 2: Convert to fraction form
    154,918.52/232,190.92 = 79,997.82/x
  3. Step 3: Cross multiply
    154,918.52x = 232,190.92 × 79,997.82
  4. Step 4: Simplify right side
    154,918.52x = 18,574,767,423.79
  5. Step 5: Solve for x
    x = 18,574,767,423.79/154,918.52
  6. Step 6: Final answer
    x = 119,900.24

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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.