Home / 203,382.22-280,637.96-112,738.13

Finding the Fourth Proportional to 203,382.22, 280,637.96 and 112,738.13

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Solution

The fourth proportional to 203,382.22, 280,637.96 and 112,738.13 is: 155,562.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,382.22 : 280,637.96 = 112,738.13 : x
  2. Step 2: Convert to fraction form
    203,382.22/280,637.96 = 112,738.13/x
  3. Step 3: Cross multiply
    203,382.22x = 280,637.96 × 112,738.13
  4. Step 4: Simplify right side
    203,382.22x = 31,638,596,850.53
  5. Step 5: Solve for x
    x = 31,638,596,850.53/203,382.22
  6. Step 6: Final answer
    x = 155,562.26

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1.5x scale

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.