Home / 146,375.18-201,997.78-79,307.18

Finding the Fourth Proportional to 146,375.18, 201,997.78 and 79,307.18

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Solution

The fourth proportional to 146,375.18, 201,997.78 and 79,307.18 is: 109,443.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,375.18 : 201,997.78 = 79,307.18 : x
  2. Step 2: Convert to fraction form
    146,375.18/201,997.78 = 79,307.18/x
  3. Step 3: Cross multiply
    146,375.18x = 201,997.78 × 79,307.18
  4. Step 4: Simplify right side
    146,375.18x = 16,019,874,298.06
  5. Step 5: Solve for x
    x = 16,019,874,298.06/146,375.18
  6. Step 6: Final answer
    x = 109,443.93

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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.