Home / 185,103.55-277,620.09-90,238.51

Finding the Fourth Proportional to 185,103.55, 277,620.09 and 90,238.51

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Solution

The fourth proportional to 185,103.55, 277,620.09 and 90,238.51 is: 135,340.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,103.55 : 277,620.09 = 90,238.51 : x
  2. Step 2: Convert to fraction form
    185,103.55/277,620.09 = 90,238.51/x
  3. Step 3: Cross multiply
    185,103.55x = 277,620.09 × 90,238.51
  4. Step 4: Simplify right side
    185,103.55x = 25,052,023,267.67
  5. Step 5: Solve for x
    x = 25,052,023,267.67/185,103.55
  6. Step 6: Final answer
    x = 135,340.59

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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.