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Finding the Fourth Proportional to 146,383.53, 202,009.32 and 79,315.53

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Solution

The fourth proportional to 146,383.53, 202,009.32 and 79,315.53 is: 109,455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,383.53 : 202,009.32 = 79,315.53 : x
  2. Step 2: Convert to fraction form
    146,383.53/202,009.32 = 79,315.53/x
  3. Step 3: Cross multiply
    146,383.53x = 202,009.32 × 79,315.53
  4. Step 4: Simplify right side
    146,383.53x = 16,022,476,280.74
  5. Step 5: Solve for x
    x = 16,022,476,280.74/146,383.53
  6. Step 6: Final answer
    x = 109,455.46

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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.