Home / 187,032.24-258,104.08-102,149.30

Finding the Fourth Proportional to 187,032.24, 258,104.08 and 102,149.30

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Solution

The fourth proportional to 187,032.24, 258,104.08 and 102,149.30 is: 140,965.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,032.24 : 258,104.08 = 102,149.30 : x
  2. Step 2: Convert to fraction form
    187,032.24/258,104.08 = 102,149.30/x
  3. Step 3: Cross multiply
    187,032.24x = 258,104.08 × 102,149.30
  4. Step 4: Simplify right side
    187,032.24x = 26,365,150,843.77
  5. Step 5: Solve for x
    x = 26,365,150,843.77/187,032.24
  6. Step 6: Final answer
    x = 140,965.81

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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.