Home / 103,617.95-155,426.93-95,453.15

Finding the Fourth Proportional to 103,617.95, 155,426.93 and 95,453.15

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Solution

The fourth proportional to 103,617.95, 155,426.93 and 95,453.15 is: 143,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,617.95 : 155,426.93 = 95,453.15 : x
  2. Step 2: Convert to fraction form
    103,617.95/155,426.93 = 95,453.15/x
  3. Step 3: Cross multiply
    103,617.95x = 155,426.93 × 95,453.15
  4. Step 4: Simplify right side
    103,617.95x = 14,835,990,063.33
  5. Step 5: Solve for x
    x = 14,835,990,063.33/103,617.95
  6. Step 6: Final answer
    x = 143,179.73

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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.