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Finding the Fourth Proportional to 146,279.30, 201,864.28 and 79,211.30

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Solution

The fourth proportional to 146,279.30, 201,864.28 and 79,211.30 is: 109,310.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,279.30 : 201,864.28 = 79,211.30 : x
  2. Step 2: Convert to fraction form
    146,279.30/201,864.28 = 79,211.30/x
  3. Step 3: Cross multiply
    146,279.30x = 201,864.28 × 79,211.30
  4. Step 4: Simplify right side
    146,279.30x = 15,989,931,844.34
  5. Step 5: Solve for x
    x = 15,989,931,844.34/146,279.30
  6. Step 6: Final answer
    x = 109,310.97

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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.