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Finding the Fourth Proportional to 133,799.40, 200,726.10 and 39,029.40

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Solution

The fourth proportional to 133,799.40, 200,726.10 and 39,029.40 is: 58,551.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,799.40 : 200,726.10 = 39,029.40 : x
  2. Step 2: Convert to fraction form
    133,799.40/200,726.10 = 39,029.40/x
  3. Step 3: Cross multiply
    133,799.40x = 200,726.10 × 39,029.40
  4. Step 4: Simplify right side
    133,799.40x = 7,834,219,247.34
  5. Step 5: Solve for x
    x = 7,834,219,247.34/133,799.40
  6. Step 6: Final answer
    x = 58,551.98

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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.