Home / 97,400.71-145,990.33-41,205.75

Finding the Fourth Proportional to 97,400.71, 145,990.33 and 41,205.75

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Solution

The fourth proportional to 97,400.71, 145,990.33 and 41,205.75 is: 61,761.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,400.71 : 145,990.33 = 41,205.75 : x
  2. Step 2: Convert to fraction form
    97,400.71/145,990.33 = 41,205.75/x
  3. Step 3: Cross multiply
    97,400.71x = 145,990.33 × 41,205.75
  4. Step 4: Simplify right side
    97,400.71x = 6,015,641,040.40
  5. Step 5: Solve for x
    x = 6,015,641,040.40/97,400.71
  6. Step 6: Final answer
    x = 61,761.78

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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.