Home / 203,235.15-280,448.04-112,594.94

Finding the Fourth Proportional to 203,235.15, 280,448.04 and 112,594.94

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Solution

The fourth proportional to 203,235.15, 280,448.04 and 112,594.94 is: 155,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,235.15 : 280,448.04 = 112,594.94 : x
  2. Step 2: Convert to fraction form
    203,235.15/280,448.04 = 112,594.94/x
  3. Step 3: Cross multiply
    203,235.15x = 280,448.04 × 112,594.94
  4. Step 4: Simplify right side
    203,235.15x = 31,577,028,834.68
  5. Step 5: Solve for x
    x = 31,577,028,834.68/203,235.15
  6. Step 6: Final answer
    x = 155,371.89

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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.