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Finding the Fourth Proportional to 146,321.58, 201,924.75 and 79,253.58

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Solution

The fourth proportional to 146,321.58, 201,924.75 and 79,253.58 is: 109,370.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,321.58 : 201,924.75 = 79,253.58 : x
  2. Step 2: Convert to fraction form
    146,321.58/201,924.75 = 79,253.58/x
  3. Step 3: Cross multiply
    146,321.58x = 201,924.75 × 79,253.58
  4. Step 4: Simplify right side
    146,321.58x = 16,003,259,328.11
  5. Step 5: Solve for x
    x = 16,003,259,328.11/146,321.58
  6. Step 6: Final answer
    x = 109,370.47

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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.