Home / 141,890.89-212,974.84-117,182.65

Finding the Fourth Proportional to 141,890.89, 212,974.84 and 117,182.65

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Solution

The fourth proportional to 141,890.89, 212,974.84 and 117,182.65 is: 175,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,890.89 : 212,974.84 = 117,182.65 : x
  2. Step 2: Convert to fraction form
    141,890.89/212,974.84 = 117,182.65/x
  3. Step 3: Cross multiply
    141,890.89x = 212,974.84 × 117,182.65
  4. Step 4: Simplify right side
    141,890.89x = 24,956,955,069.65
  5. Step 5: Solve for x
    x = 24,956,955,069.65/141,890.89
  6. Step 6: Final answer
    x = 175,888.36

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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.