Home / 139,330.11-208,954.16-39,499.02

Finding the Fourth Proportional to 139,330.11, 208,954.16 and 39,499.02

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Solution

The fourth proportional to 139,330.11, 208,954.16 and 39,499.02 is: 59,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,330.11 : 208,954.16 = 39,499.02 : x
  2. Step 2: Convert to fraction form
    139,330.11/208,954.16 = 39,499.02/x
  3. Step 3: Cross multiply
    139,330.11x = 208,954.16 × 39,499.02
  4. Step 4: Simplify right side
    139,330.11x = 8,253,484,347.43
  5. Step 5: Solve for x
    x = 8,253,484,347.43/139,330.11
  6. Step 6: Final answer
    x = 59,236.90

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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.