Home / 141,454.21-195,202.91-77,792

Finding the Fourth Proportional to 141,454.21, 195,202.91 and 77,792

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Solution

The fourth proportional to 141,454.21, 195,202.91 and 77,792 is: 107,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,454.21 : 195,202.91 = 77,792 : x
  2. Step 2: Convert to fraction form
    141,454.21/195,202.91 = 77,792/x
  3. Step 3: Cross multiply
    141,454.21x = 195,202.91 × 77,792
  4. Step 4: Simplify right side
    141,454.21x = 15,185,224,774.72
  5. Step 5: Solve for x
    x = 15,185,224,774.72/141,454.21
  6. Step 6: Final answer
    x = 107,350.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.