Home / 105,919.88-158,865.66-39,350.93

Finding the Fourth Proportional to 105,919.88, 158,865.66 and 39,350.93

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Solution

The fourth proportional to 105,919.88, 158,865.66 and 39,350.93 is: 59,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,919.88 : 158,865.66 = 39,350.93 : x
  2. Step 2: Convert to fraction form
    105,919.88/158,865.66 = 39,350.93/x
  3. Step 3: Cross multiply
    105,919.88x = 158,865.66 × 39,350.93
  4. Step 4: Simplify right side
    105,919.88x = 6,251,510,671.74
  5. Step 5: Solve for x
    x = 6,251,510,671.74/105,919.88
  6. Step 6: Final answer
    x = 59,021.13

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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.