Home / 89,253.27-133,880.31-30,089.43

Finding the Fourth Proportional to 89,253.27, 133,880.31 and 30,089.43

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Solution

The fourth proportional to 89,253.27, 133,880.31 and 30,089.43 is: 45,134.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,253.27 : 133,880.31 = 30,089.43 : x
  2. Step 2: Convert to fraction form
    89,253.27/133,880.31 = 30,089.43/x
  3. Step 3: Cross multiply
    89,253.27x = 133,880.31 × 30,089.43
  4. Step 4: Simplify right side
    89,253.27x = 4,028,382,216.12
  5. Step 5: Solve for x
    x = 4,028,382,216.12/89,253.27
  6. Step 6: Final answer
    x = 45,134.28

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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.