Home / 126,125.60-189,092.40-63,840.80

Finding the Fourth Proportional to 126,125.60, 189,092.40 and 63,840.80

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Solution

The fourth proportional to 126,125.60, 189,092.40 and 63,840.80 is: 95,712.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,125.60 : 189,092.40 = 63,840.80 : x
  2. Step 2: Convert to fraction form
    126,125.60/189,092.40 = 63,840.80/x
  3. Step 3: Cross multiply
    126,125.60x = 189,092.40 × 63,840.80
  4. Step 4: Simplify right side
    126,125.60x = 12,071,810,089.92
  5. Step 5: Solve for x
    x = 12,071,810,089.92/126,125.60
  6. Step 6: Final answer
    x = 95,712.61

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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.