Home / 126,534.96-189,730.55-51,567.30

Finding the Fourth Proportional to 126,534.96, 189,730.55 and 51,567.30

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Solution

The fourth proportional to 126,534.96, 189,730.55 and 51,567.30 is: 77,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,534.96 : 189,730.55 = 51,567.30 : x
  2. Step 2: Convert to fraction form
    126,534.96/189,730.55 = 51,567.30/x
  3. Step 3: Cross multiply
    126,534.96x = 189,730.55 × 51,567.30
  4. Step 4: Simplify right side
    126,534.96x = 9,783,892,319.93
  5. Step 5: Solve for x
    x = 9,783,892,319.93/126,534.96
  6. Step 6: Final answer
    x = 77,321.65

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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.