Home / 137,306.93-189,466.97-76,872.83

Finding the Fourth Proportional to 137,306.93, 189,466.97 and 76,872.83

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Solution

The fourth proportional to 137,306.93, 189,466.97 and 76,872.83 is: 106,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,306.93 : 189,466.97 = 76,872.83 : x
  2. Step 2: Convert to fraction form
    137,306.93/189,466.97 = 76,872.83/x
  3. Step 3: Cross multiply
    137,306.93x = 189,466.97 × 76,872.83
  4. Step 4: Simplify right side
    137,306.93x = 14,564,860,843.73
  5. Step 5: Solve for x
    x = 14,564,860,843.73/137,306.93
  6. Step 6: Final answer
    x = 106,075.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.