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Finding the Fourth Proportional to 146,714.64, 202,467.24 and 79,646.64

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Solution

The fourth proportional to 146,714.64, 202,467.24 and 79,646.64 is: 109,912.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,714.64 : 202,467.24 = 79,646.64 : x
  2. Step 2: Convert to fraction form
    146,714.64/202,467.24 = 79,646.64/x
  3. Step 3: Cross multiply
    146,714.64x = 202,467.24 × 79,646.64
  4. Step 4: Simplify right side
    146,714.64x = 16,125,835,376.07
  5. Step 5: Solve for x
    x = 16,125,835,376.07/146,714.64
  6. Step 6: Final answer
    x = 109,912.93

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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.