Home / 137,150.19-205,672.11-47,175.80

Finding the Fourth Proportional to 137,150.19, 205,672.11 and 47,175.80

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Solution

The fourth proportional to 137,150.19, 205,672.11 and 47,175.80 is: 70,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,150.19 : 205,672.11 = 47,175.80 : x
  2. Step 2: Convert to fraction form
    137,150.19/205,672.11 = 47,175.80/x
  3. Step 3: Cross multiply
    137,150.19x = 205,672.11 × 47,175.80
  4. Step 4: Simplify right side
    137,150.19x = 9,702,745,298.58
  5. Step 5: Solve for x
    x = 9,702,745,298.58/137,150.19
  6. Step 6: Final answer
    x = 70,745.40

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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.