Home / 89,975.28-134,949-30,797.36

Finding the Fourth Proportional to 89,975.28, 134,949 and 30,797.36

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Solution

The fourth proportional to 89,975.28, 134,949 and 30,797.36 is: 46,191.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,975.28 : 134,949 = 30,797.36 : x
  2. Step 2: Convert to fraction form
    89,975.28/134,949 = 30,797.36/x
  3. Step 3: Cross multiply
    89,975.28x = 134,949 × 30,797.36
  4. Step 4: Simplify right side
    89,975.28x = 4,156,072,934.64
  5. Step 5: Solve for x
    x = 4,156,072,934.64/89,975.28
  6. Step 6: Final answer
    x = 46,191.28

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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.