Home / 89,509.04-123,540.36-68,250.32

Finding the Fourth Proportional to 89,509.04, 123,540.36 and 68,250.32

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Solution

The fourth proportional to 89,509.04, 123,540.36 and 68,250.32 is: 94,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,509.04 : 123,540.36 = 68,250.32 : x
  2. Step 2: Convert to fraction form
    89,509.04/123,540.36 = 68,250.32/x
  3. Step 3: Cross multiply
    89,509.04x = 123,540.36 × 68,250.32
  4. Step 4: Simplify right side
    89,509.04x = 8,431,669,102.92
  5. Step 5: Solve for x
    x = 8,431,669,102.92/89,509.04
  6. Step 6: Final answer
    x = 94,199.08

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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.