Home / 139,225.23-208,841.94-34,044.21

Finding the Fourth Proportional to 139,225.23, 208,841.94 and 34,044.21

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Solution

The fourth proportional to 139,225.23, 208,841.94 and 34,044.21 is: 51,067.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,225.23 : 208,841.94 = 34,044.21 : x
  2. Step 2: Convert to fraction form
    139,225.23/208,841.94 = 34,044.21/x
  3. Step 3: Cross multiply
    139,225.23x = 208,841.94 × 34,044.21
  4. Step 4: Simplify right side
    139,225.23x = 7,109,858,862.17
  5. Step 5: Solve for x
    x = 7,109,858,862.17/139,225.23
  6. Step 6: Final answer
    x = 51,067.32

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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.