Home / 203,302.14-280,558.60-112,659.62

Finding the Fourth Proportional to 203,302.14, 280,558.60 and 112,659.62

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Solution

The fourth proportional to 203,302.14, 280,558.60 and 112,659.62 is: 155,471.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,302.14 : 280,558.60 = 112,659.62 : x
  2. Step 2: Convert to fraction form
    203,302.14/280,558.60 = 112,659.62/x
  3. Step 3: Cross multiply
    203,302.14x = 280,558.60 × 112,659.62
  4. Step 4: Simplify right side
    203,302.14x = 31,607,625,263.73
  5. Step 5: Solve for x
    x = 31,607,625,263.73/203,302.14
  6. Step 6: Final answer
    x = 155,471.19

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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.