Home / 137,406.03-206,138.40-42,634.14

Finding the Fourth Proportional to 137,406.03, 206,138.40 and 42,634.14

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Solution

The fourth proportional to 137,406.03, 206,138.40 and 42,634.14 is: 63,960.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,406.03 : 206,138.40 = 42,634.14 : x
  2. Step 2: Convert to fraction form
    137,406.03/206,138.40 = 42,634.14/x
  3. Step 3: Cross multiply
    137,406.03x = 206,138.40 × 42,634.14
  4. Step 4: Simplify right side
    137,406.03x = 8,788,533,404.98
  5. Step 5: Solve for x
    x = 8,788,533,404.98/137,406.03
  6. Step 6: Final answer
    x = 63,960.32

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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.