Home / 94,969.48-130,971.18-81,536.44

Finding the Fourth Proportional to 94,969.48, 130,971.18 and 81,536.44

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Solution

The fourth proportional to 94,969.48, 130,971.18 and 81,536.44 is: 112,445.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,969.48 : 130,971.18 = 81,536.44 : x
  2. Step 2: Convert to fraction form
    94,969.48/130,971.18 = 81,536.44/x
  3. Step 3: Cross multiply
    94,969.48x = 130,971.18 × 81,536.44
  4. Step 4: Simplify right side
    94,969.48x = 10,678,923,759.80
  5. Step 5: Solve for x
    x = 10,678,923,759.80/94,969.48
  6. Step 6: Final answer
    x = 112,445.85

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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.