Home / 138,996.02-208,492.82-33,815.10

Finding the Fourth Proportional to 138,996.02, 208,492.82 and 33,815.10

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Solution

The fourth proportional to 138,996.02, 208,492.82 and 33,815.10 is: 50,722.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,996.02 : 208,492.82 = 33,815.10 : x
  2. Step 2: Convert to fraction form
    138,996.02/208,492.82 = 33,815.10/x
  3. Step 3: Cross multiply
    138,996.02x = 208,492.82 × 33,815.10
  4. Step 4: Simplify right side
    138,996.02x = 7,050,205,557.58
  5. Step 5: Solve for x
    x = 7,050,205,557.58/138,996.02
  6. Step 6: Final answer
    x = 50,722.36

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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.