Home / 138,875.36-208,270.08-50,117.58

Finding the Fourth Proportional to 138,875.36, 208,270.08 and 50,117.58

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Solution

The fourth proportional to 138,875.36, 208,270.08 and 50,117.58 is: 75,160.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,875.36 : 208,270.08 = 50,117.58 : x
  2. Step 2: Convert to fraction form
    138,875.36/208,270.08 = 50,117.58/x
  3. Step 3: Cross multiply
    138,875.36x = 208,270.08 × 50,117.58
  4. Step 4: Simplify right side
    138,875.36x = 10,437,992,396.01
  5. Step 5: Solve for x
    x = 10,437,992,396.01/138,875.36
  6. Step 6: Final answer
    x = 75,160.87

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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.