Home / 121,986.43-182,907.36-37,721.65

Finding the Fourth Proportional to 121,986.43, 182,907.36 and 37,721.65

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Solution

The fourth proportional to 121,986.43, 182,907.36 and 37,721.65 is: 56,560.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,986.43 : 182,907.36 = 37,721.65 : x
  2. Step 2: Convert to fraction form
    121,986.43/182,907.36 = 37,721.65/x
  3. Step 3: Cross multiply
    121,986.43x = 182,907.36 × 37,721.65
  4. Step 4: Simplify right side
    121,986.43x = 6,899,567,416.34
  5. Step 5: Solve for x
    x = 6,899,567,416.34/121,986.43
  6. Step 6: Final answer
    x = 56,560.12

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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.