Home / 138,934.48-208,402.23-33,753.45

Finding the Fourth Proportional to 138,934.48, 208,402.23 and 33,753.45

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Solution

The fourth proportional to 138,934.48, 208,402.23 and 33,753.45 is: 50,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,934.48 : 208,402.23 = 33,753.45 : x
  2. Step 2: Convert to fraction form
    138,934.48/208,402.23 = 33,753.45/x
  3. Step 3: Cross multiply
    138,934.48x = 208,402.23 × 33,753.45
  4. Step 4: Simplify right side
    138,934.48x = 7,034,294,250.19
  5. Step 5: Solve for x
    x = 7,034,294,250.19/138,934.48
  6. Step 6: Final answer
    x = 50,630.30

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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.