Home / 139,326.04-192,328.77-94,065.31

Finding the Fourth Proportional to 139,326.04, 192,328.77 and 94,065.31

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Solution

The fourth proportional to 139,326.04, 192,328.77 and 94,065.31 is: 129,849.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,326.04 : 192,328.77 = 94,065.31 : x
  2. Step 2: Convert to fraction form
    139,326.04/192,328.77 = 94,065.31/x
  3. Step 3: Cross multiply
    139,326.04x = 192,328.77 × 94,065.31
  4. Step 4: Simplify right side
    139,326.04x = 18,091,465,371.97
  5. Step 5: Solve for x
    x = 18,091,465,371.97/139,326.04
  6. Step 6: Final answer
    x = 129,849.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.