Home / 123,628.43-185,432.39-39,385.19

Finding the Fourth Proportional to 123,628.43, 185,432.39 and 39,385.19

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Solution

The fourth proportional to 123,628.43, 185,432.39 and 39,385.19 is: 59,074.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,628.43 : 185,432.39 = 39,385.19 : x
  2. Step 2: Convert to fraction form
    123,628.43/185,432.39 = 39,385.19/x
  3. Step 3: Cross multiply
    123,628.43x = 185,432.39 × 39,385.19
  4. Step 4: Simplify right side
    123,628.43x = 7,303,290,178.96
  5. Step 5: Solve for x
    x = 7,303,290,178.96/123,628.43
  6. Step 6: Final answer
    x = 59,074.52

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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.