Home / 139,444.07-209,166.17-92,048.09

Finding the Fourth Proportional to 139,444.07, 209,166.17 and 92,048.09

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Solution

The fourth proportional to 139,444.07, 209,166.17 and 92,048.09 is: 138,072.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,444.07 : 209,166.17 = 92,048.09 : x
  2. Step 2: Convert to fraction form
    139,444.07/209,166.17 = 92,048.09/x
  3. Step 3: Cross multiply
    139,444.07x = 209,166.17 × 92,048.09
  4. Step 4: Simplify right side
    139,444.07x = 19,253,344,935.04
  5. Step 5: Solve for x
    x = 19,253,344,935.04/139,444.07
  6. Step 6: Final answer
    x = 138,072.17

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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.