Home / 141,454.71-195,203.60-77,792.50

Finding the Fourth Proportional to 141,454.71, 195,203.60 and 77,792.50

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Solution

The fourth proportional to 141,454.71, 195,203.60 and 77,792.50 is: 107,351.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,454.71 : 195,203.60 = 77,792.50 : x
  2. Step 2: Convert to fraction form
    141,454.71/195,203.60 = 77,792.50/x
  3. Step 3: Cross multiply
    141,454.71x = 195,203.60 × 77,792.50
  4. Step 4: Simplify right side
    141,454.71x = 15,185,376,053
  5. Step 5: Solve for x
    x = 15,185,376,053/141,454.71
  6. Step 6: Final answer
    x = 107,351.51

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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.