Home / 203,467.80-280,788.94-112,827.60

Finding the Fourth Proportional to 203,467.80, 280,788.94 and 112,827.60

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Solution

The fourth proportional to 203,467.80, 280,788.94 and 112,827.60 is: 155,703.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,467.80 : 280,788.94 = 112,827.60 : x
  2. Step 2: Convert to fraction form
    203,467.80/280,788.94 = 112,827.60/x
  3. Step 3: Cross multiply
    203,467.80x = 280,788.94 × 112,827.60
  4. Step 4: Simplify right side
    203,467.80x = 31,680,742,206.74
  5. Step 5: Solve for x
    x = 31,680,742,206.74/203,467.80
  6. Step 6: Final answer
    x = 155,703.96

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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.