Home / 137,249.27-205,874.26-89,904.06

Finding the Fourth Proportional to 137,249.27, 205,874.26 and 89,904.06

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Solution

The fourth proportional to 137,249.27, 205,874.26 and 89,904.06 is: 134,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,249.27 : 205,874.26 = 89,904.06 : x
  2. Step 2: Convert to fraction form
    137,249.27/205,874.26 = 89,904.06/x
  3. Step 3: Cross multiply
    137,249.27x = 205,874.26 × 89,904.06
  4. Step 4: Simplify right side
    137,249.27x = 18,508,931,598.74
  5. Step 5: Solve for x
    x = 18,508,931,598.74/137,249.27
  6. Step 6: Final answer
    x = 134,856.32

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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.