Home / 141,441.26-195,193.95-77,783.90

Finding the Fourth Proportional to 141,441.26, 195,193.95 and 77,783.90

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Solution

The fourth proportional to 141,441.26, 195,193.95 and 77,783.90 is: 107,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,441.26 : 195,193.95 = 77,783.90 : x
  2. Step 2: Convert to fraction form
    141,441.26/195,193.95 = 77,783.90/x
  3. Step 3: Cross multiply
    141,441.26x = 195,193.95 × 77,783.90
  4. Step 4: Simplify right side
    141,441.26x = 15,182,946,687.41
  5. Step 5: Solve for x
    x = 15,182,946,687.41/141,441.26
  6. Step 6: Final answer
    x = 107,344.54

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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.