Home / 126,496.28-189,682.45-42,227.53

Finding the Fourth Proportional to 126,496.28, 189,682.45 and 42,227.53

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Solution

The fourth proportional to 126,496.28, 189,682.45 and 42,227.53 is: 63,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,496.28 : 189,682.45 = 42,227.53 : x
  2. Step 2: Convert to fraction form
    126,496.28/189,682.45 = 42,227.53/x
  3. Step 3: Cross multiply
    126,496.28x = 189,682.45 × 42,227.53
  4. Step 4: Simplify right side
    126,496.28x = 8,009,820,768.07
  5. Step 5: Solve for x
    x = 8,009,820,768.07/126,496.28
  6. Step 6: Final answer
    x = 63,320.60

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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.