Home / 126,132.21-189,103.50-59,534.46

Finding the Fourth Proportional to 126,132.21, 189,103.50 and 59,534.46

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Solution

The fourth proportional to 126,132.21, 189,103.50 and 59,534.46 is: 89,256.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,132.21 : 189,103.50 = 59,534.46 : x
  2. Step 2: Convert to fraction form
    126,132.21/189,103.50 = 59,534.46/x
  3. Step 3: Cross multiply
    126,132.21x = 189,103.50 × 59,534.46
  4. Step 4: Simplify right side
    126,132.21x = 11,258,174,756.61
  5. Step 5: Solve for x
    x = 11,258,174,756.61/126,132.21
  6. Step 6: Final answer
    x = 89,256.94

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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.