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Finding the Fourth Proportional to 146,580, 202,281.48 and 79,512

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Solution

The fourth proportional to 146,580, 202,281.48 and 79,512 is: 109,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,580 : 202,281.48 = 79,512 : x
  2. Step 2: Convert to fraction form
    146,580/202,281.48 = 79,512/x
  3. Step 3: Cross multiply
    146,580x = 202,281.48 × 79,512
  4. Step 4: Simplify right side
    146,580x = 16,083,805,037.76
  5. Step 5: Solve for x
    x = 16,083,805,037.76/146,580
  6. Step 6: Final answer
    x = 109,727.15

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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.