Home / 126,622.48-189,839.38-42,332.76

Finding the Fourth Proportional to 126,622.48, 189,839.38 and 42,332.76

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Solution

The fourth proportional to 126,622.48, 189,839.38 and 42,332.76 is: 63,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,622.48 : 189,839.38 = 42,332.76 : x
  2. Step 2: Convert to fraction form
    126,622.48/189,839.38 = 42,332.76/x
  3. Step 3: Cross multiply
    126,622.48x = 189,839.38 × 42,332.76
  4. Step 4: Simplify right side
    126,622.48x = 8,036,424,912.09
  5. Step 5: Solve for x
    x = 8,036,424,912.09/126,622.48
  6. Step 6: Final answer
    x = 63,467.60

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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.