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Finding the Fourth Proportional to 146,245.39, 201,806.11 and 84,157.89

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Solution

The fourth proportional to 146,245.39, 201,806.11 and 84,157.89 is: 116,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,245.39 : 201,806.11 = 84,157.89 : x
  2. Step 2: Convert to fraction form
    146,245.39/201,806.11 = 84,157.89/x
  3. Step 3: Cross multiply
    146,245.39x = 201,806.11 × 84,157.89
  4. Step 4: Simplify right side
    146,245.39x = 16,983,576,406.71
  5. Step 5: Solve for x
    x = 16,983,576,406.71/146,245.39
  6. Step 6: Final answer
    x = 116,130.68

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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.