Home / 126,303.72-189,290.94-51,336.24

Finding the Fourth Proportional to 126,303.72, 189,290.94 and 51,336.24

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Solution

The fourth proportional to 126,303.72, 189,290.94 and 51,336.24 is: 76,937.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,303.72 : 189,290.94 = 51,336.24 : x
  2. Step 2: Convert to fraction form
    126,303.72/189,290.94 = 51,336.24/x
  3. Step 3: Cross multiply
    126,303.72x = 189,290.94 × 51,336.24
  4. Step 4: Simplify right side
    126,303.72x = 9,717,485,125.67
  5. Step 5: Solve for x
    x = 9,717,485,125.67/126,303.72
  6. Step 6: Final answer
    x = 76,937.44

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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.