Home / 126,383.72-189,575.04-51,487.16

Finding the Fourth Proportional to 126,383.72, 189,575.04 and 51,487.16

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Solution

The fourth proportional to 126,383.72, 189,575.04 and 51,487.16 is: 77,230.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,383.72 : 189,575.04 = 51,487.16 : x
  2. Step 2: Convert to fraction form
    126,383.72/189,575.04 = 51,487.16/x
  3. Step 3: Cross multiply
    126,383.72x = 189,575.04 × 51,487.16
  4. Step 4: Simplify right side
    126,383.72x = 9,760,680,416.49
  5. Step 5: Solve for x
    x = 9,760,680,416.49/126,383.72
  6. Step 6: Final answer
    x = 77,230.52

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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.