Home / 107,390.22-161,072.82-28,510.58

Finding the Fourth Proportional to 107,390.22, 161,072.82 and 28,510.58

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Solution

The fourth proportional to 107,390.22, 161,072.82 and 28,510.58 is: 42,762.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,390.22 : 161,072.82 = 28,510.58 : x
  2. Step 2: Convert to fraction form
    107,390.22/161,072.82 = 28,510.58/x
  3. Step 3: Cross multiply
    107,390.22x = 161,072.82 × 28,510.58
  4. Step 4: Simplify right side
    107,390.22x = 4,592,278,715.07
  5. Step 5: Solve for x
    x = 4,592,278,715.07/107,390.22
  6. Step 6: Final answer
    x = 42,762.54

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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.