Home / 137,251.11-205,837.05-47,290.15

Finding the Fourth Proportional to 137,251.11, 205,837.05 and 47,290.15

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Solution

The fourth proportional to 137,251.11, 205,837.05 and 47,290.15 is: 70,921.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,251.11 : 205,837.05 = 47,290.15 : x
  2. Step 2: Convert to fraction form
    137,251.11/205,837.05 = 47,290.15/x
  3. Step 3: Cross multiply
    137,251.11x = 205,837.05 × 47,290.15
  4. Step 4: Simplify right side
    137,251.11x = 9,734,064,970.06
  5. Step 5: Solve for x
    x = 9,734,064,970.06/137,251.11
  6. Step 6: Final answer
    x = 70,921.58

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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.