Home / 89,200.28-133,809.70-30,042.52

Finding the Fourth Proportional to 89,200.28, 133,809.70 and 30,042.52

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Solution

The fourth proportional to 89,200.28, 133,809.70 and 30,042.52 is: 45,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,200.28 : 133,809.70 = 30,042.52 : x
  2. Step 2: Convert to fraction form
    89,200.28/133,809.70 = 30,042.52/x
  3. Step 3: Cross multiply
    89,200.28x = 133,809.70 × 30,042.52
  4. Step 4: Simplify right side
    89,200.28x = 4,019,980,588.44
  5. Step 5: Solve for x
    x = 4,019,980,588.44/89,200.28
  6. Step 6: Final answer
    x = 45,066.91

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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.