Home / 94,418.80-130,301.66-51,981.28

Finding the Fourth Proportional to 94,418.80, 130,301.66 and 51,981.28

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Solution

The fourth proportional to 94,418.80, 130,301.66 and 51,981.28 is: 71,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,418.80 : 130,301.66 = 51,981.28 : x
  2. Step 2: Convert to fraction form
    94,418.80/130,301.66 = 51,981.28/x
  3. Step 3: Cross multiply
    94,418.80x = 130,301.66 × 51,981.28
  4. Step 4: Simplify right side
    94,418.80x = 6,773,247,072.92
  5. Step 5: Solve for x
    x = 6,773,247,072.92/94,418.80
  6. Step 6: Final answer
    x = 71,736.21

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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.