Home / 123,721.07-185,579.97-30,227.63

Finding the Fourth Proportional to 123,721.07, 185,579.97 and 30,227.63

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Solution

The fourth proportional to 123,721.07, 185,579.97 and 30,227.63 is: 45,341.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,721.07 : 185,579.97 = 30,227.63 : x
  2. Step 2: Convert to fraction form
    123,721.07/185,579.97 = 30,227.63/x
  3. Step 3: Cross multiply
    123,721.07x = 185,579.97 × 30,227.63
  4. Step 4: Simplify right side
    123,721.07x = 5,609,641,740.67
  5. Step 5: Solve for x
    x = 5,609,641,740.67/123,721.07
  6. Step 6: Final answer
    x = 45,341.04

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1.5x scale

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.