Home / 94,781.36-142,171.32-39,377.36

Finding the Fourth Proportional to 94,781.36, 142,171.32 and 39,377.36

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Solution

The fourth proportional to 94,781.36, 142,171.32 and 39,377.36 is: 59,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,781.36 : 142,171.32 = 39,377.36 : x
  2. Step 2: Convert to fraction form
    94,781.36/142,171.32 = 39,377.36/x
  3. Step 3: Cross multiply
    94,781.36x = 142,171.32 × 39,377.36
  4. Step 4: Simplify right side
    94,781.36x = 5,598,331,249.32
  5. Step 5: Solve for x
    x = 5,598,331,249.32/94,781.36
  6. Step 6: Final answer
    x = 59,065.74

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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.