Home / 89,215.28-133,842.64-30,049.04

Finding the Fourth Proportional to 89,215.28, 133,842.64 and 30,049.04

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Solution

The fourth proportional to 89,215.28, 133,842.64 and 30,049.04 is: 45,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,215.28 : 133,842.64 = 30,049.04 : x
  2. Step 2: Convert to fraction form
    89,215.28/133,842.64 = 30,049.04/x
  3. Step 3: Cross multiply
    89,215.28x = 133,842.64 × 30,049.04
  4. Step 4: Simplify right side
    89,215.28x = 4,021,842,843.07
  5. Step 5: Solve for x
    x = 4,021,842,843.07/89,215.28
  6. Step 6: Final answer
    x = 45,080.20

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1.5x scale

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.