Home / 124,487.20-186,730.80-30,992.95

Finding the Fourth Proportional to 124,487.20, 186,730.80 and 30,992.95

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Solution

The fourth proportional to 124,487.20, 186,730.80 and 30,992.95 is: 46,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,487.20 : 186,730.80 = 30,992.95 : x
  2. Step 2: Convert to fraction form
    124,487.20/186,730.80 = 30,992.95/x
  3. Step 3: Cross multiply
    124,487.20x = 186,730.80 × 30,992.95
  4. Step 4: Simplify right side
    124,487.20x = 5,787,338,347.86
  5. Step 5: Solve for x
    x = 5,787,338,347.86/124,487.20
  6. Step 6: Final answer
    x = 46,489.43

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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.