Home / 141,741.65-212,620.23-57,489.30

Finding the Fourth Proportional to 141,741.65, 212,620.23 and 57,489.30

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Solution

The fourth proportional to 141,741.65, 212,620.23 and 57,489.30 is: 86,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,741.65 : 212,620.23 = 57,489.30 : x
  2. Step 2: Convert to fraction form
    141,741.65/212,620.23 = 57,489.30/x
  3. Step 3: Cross multiply
    141,741.65x = 212,620.23 × 57,489.30
  4. Step 4: Simplify right side
    141,741.65x = 12,223,388,188.54
  5. Step 5: Solve for x
    x = 12,223,388,188.54/141,741.65
  6. Step 6: Final answer
    x = 86,237.10

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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.