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Finding the Fourth Proportional to 133,090.71, 199,645.65 and 41,898.30

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Solution

The fourth proportional to 133,090.71, 199,645.65 and 41,898.30 is: 62,850.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,090.71 : 199,645.65 = 41,898.30 : x
  2. Step 2: Convert to fraction form
    133,090.71/199,645.65 = 41,898.30/x
  3. Step 3: Cross multiply
    133,090.71x = 199,645.65 × 41,898.30
  4. Step 4: Simplify right side
    133,090.71x = 8,364,813,337.40
  5. Step 5: Solve for x
    x = 8,364,813,337.40/133,090.71
  6. Step 6: Final answer
    x = 62,850.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.