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Finding the Fourth Proportional to 146,051.81, 201,560.90 and 82,388.24

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Solution

The fourth proportional to 146,051.81, 201,560.90 and 82,388.24 is: 113,701.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,051.81 : 201,560.90 = 82,388.24 : x
  2. Step 2: Convert to fraction form
    146,051.81/201,560.90 = 82,388.24/x
  3. Step 3: Cross multiply
    146,051.81x = 201,560.90 × 82,388.24
  4. Step 4: Simplify right side
    146,051.81x = 16,606,246,384.07
  5. Step 5: Solve for x
    x = 16,606,246,384.07/146,051.81
  6. Step 6: Final answer
    x = 113,701.07

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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.