Home / 141,810.60-195,694.74-77,278.44

Finding the Fourth Proportional to 141,810.60, 195,694.74 and 77,278.44

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Solution

The fourth proportional to 141,810.60, 195,694.74 and 77,278.44 is: 106,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,810.60 : 195,694.74 = 77,278.44 : x
  2. Step 2: Convert to fraction form
    141,810.60/195,694.74 = 77,278.44/x
  3. Step 3: Cross multiply
    141,810.60x = 195,694.74 × 77,278.44
  4. Step 4: Simplify right side
    141,810.60x = 15,122,984,223.41
  5. Step 5: Solve for x
    x = 15,122,984,223.41/141,810.60
  6. Step 6: Final answer
    x = 106,642.13

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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.