Home / 89,810.28-134,725.50-73,310.76

Finding the Fourth Proportional to 89,810.28, 134,725.50 and 73,310.76

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Solution

The fourth proportional to 89,810.28, 134,725.50 and 73,310.76 is: 109,974.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,810.28 : 134,725.50 = 73,310.76 : x
  2. Step 2: Convert to fraction form
    89,810.28/134,725.50 = 73,310.76/x
  3. Step 3: Cross multiply
    89,810.28x = 134,725.50 × 73,310.76
  4. Step 4: Simplify right side
    89,810.28x = 9,876,828,796.38
  5. Step 5: Solve for x
    x = 9,876,828,796.38/89,810.28
  6. Step 6: Final answer
    x = 109,974.37

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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.