Home / 89,206.88-123,041.04-75,756.92

Finding the Fourth Proportional to 89,206.88, 123,041.04 and 75,756.92

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Solution

The fourth proportional to 89,206.88, 123,041.04 and 75,756.92 is: 104,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,206.88 : 123,041.04 = 75,756.92 : x
  2. Step 2: Convert to fraction form
    89,206.88/123,041.04 = 75,756.92/x
  3. Step 3: Cross multiply
    89,206.88x = 123,041.04 × 75,756.92
  4. Step 4: Simplify right side
    89,206.88x = 9,321,210,224.00
  5. Step 5: Solve for x
    x = 9,321,210,224.00/89,206.88
  6. Step 6: Final answer
    x = 104,489.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.