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Finding the Fourth Proportional to 146,633.60, 202,356.72 and 79,565.60

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Solution

The fourth proportional to 146,633.60, 202,356.72 and 79,565.60 is: 109,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,633.60 : 202,356.72 = 79,565.60 : x
  2. Step 2: Convert to fraction form
    146,633.60/202,356.72 = 79,565.60/x
  3. Step 3: Cross multiply
    146,633.60x = 202,356.72 × 79,565.60
  4. Step 4: Simplify right side
    146,633.60x = 16,100,633,840.83
  5. Step 5: Solve for x
    x = 16,100,633,840.83/146,633.60
  6. Step 6: Final answer
    x = 109,801.80

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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.