Home / 143,339.89-214,926.75-48,538.43

Finding the Fourth Proportional to 143,339.89, 214,926.75 and 48,538.43

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Solution

The fourth proportional to 143,339.89, 214,926.75 and 48,538.43 is: 72,779.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,339.89 : 214,926.75 = 48,538.43 : x
  2. Step 2: Convert to fraction form
    143,339.89/214,926.75 = 48,538.43/x
  3. Step 3: Cross multiply
    143,339.89x = 214,926.75 × 48,538.43
  4. Step 4: Simplify right side
    143,339.89x = 10,432,207,010.00
  5. Step 5: Solve for x
    x = 10,432,207,010.00/143,339.89
  6. Step 6: Final answer
    x = 72,779.51

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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.