Home / 94,528.80-141,620.40-76,903.20

Finding the Fourth Proportional to 94,528.80, 141,620.40 and 76,903.20

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Solution

The fourth proportional to 94,528.80, 141,620.40 and 76,903.20 is: 115,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,528.80 : 141,620.40 = 76,903.20 : x
  2. Step 2: Convert to fraction form
    94,528.80/141,620.40 = 76,903.20/x
  3. Step 3: Cross multiply
    94,528.80x = 141,620.40 × 76,903.20
  4. Step 4: Simplify right side
    94,528.80x = 10,891,061,945.28
  5. Step 5: Solve for x
    x = 10,891,061,945.28/94,528.80
  6. Step 6: Final answer
    x = 115,214.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.