Home / 139,332.11-208,998.12-34,150.19

Finding the Fourth Proportional to 139,332.11, 208,998.12 and 34,150.19

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Solution

The fourth proportional to 139,332.11, 208,998.12 and 34,150.19 is: 51,225.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,332.11 : 208,998.12 = 34,150.19 : x
  2. Step 2: Convert to fraction form
    139,332.11/208,998.12 = 34,150.19/x
  3. Step 3: Cross multiply
    139,332.11x = 208,998.12 × 34,150.19
  4. Step 4: Simplify right side
    139,332.11x = 7,137,325,507.64
  5. Step 5: Solve for x
    x = 7,137,325,507.64/139,332.11
  6. Step 6: Final answer
    x = 51,225.27

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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.