Home / 141,455.22-195,204.30-77,793

Finding the Fourth Proportional to 141,455.22, 195,204.30 and 77,793

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Solution

The fourth proportional to 141,455.22, 195,204.30 and 77,793 is: 107,352.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,455.22 : 195,204.30 = 77,793 : x
  2. Step 2: Convert to fraction form
    141,455.22/195,204.30 = 77,793/x
  3. Step 3: Cross multiply
    141,455.22x = 195,204.30 × 77,793
  4. Step 4: Simplify right side
    141,455.22x = 15,185,528,109.90
  5. Step 5: Solve for x
    x = 15,185,528,109.90/141,455.22
  6. Step 6: Final answer
    x = 107,352.19

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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.