Home / 136,997.42-205,496.16-89,652.38

Finding the Fourth Proportional to 136,997.42, 205,496.16 and 89,652.38

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Solution

The fourth proportional to 136,997.42, 205,496.16 and 89,652.38 is: 134,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,997.42 : 205,496.16 = 89,652.38 : x
  2. Step 2: Convert to fraction form
    136,997.42/205,496.16 = 89,652.38/x
  3. Step 3: Cross multiply
    136,997.42x = 205,496.16 × 89,652.38
  4. Step 4: Simplify right side
    136,997.42x = 18,423,219,824.86
  5. Step 5: Solve for x
    x = 18,423,219,824.86/136,997.42
  6. Step 6: Final answer
    x = 134,478.59

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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.