Home / 126,601.10-189,782.85-47,768.30

Finding the Fourth Proportional to 126,601.10, 189,782.85 and 47,768.30

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Solution

The fourth proportional to 126,601.10, 189,782.85 and 47,768.30 is: 71,607.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,601.10 : 189,782.85 = 47,768.30 : x
  2. Step 2: Convert to fraction form
    126,601.10/189,782.85 = 47,768.30/x
  3. Step 3: Cross multiply
    126,601.10x = 189,782.85 × 47,768.30
  4. Step 4: Simplify right side
    126,601.10x = 9,065,604,113.66
  5. Step 5: Solve for x
    x = 9,065,604,113.66/126,601.10
  6. Step 6: Final answer
    x = 71,607.63

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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.