Home / 126,333.83-189,500.14-51,436.22

Finding the Fourth Proportional to 126,333.83, 189,500.14 and 51,436.22

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Solution

The fourth proportional to 126,333.83, 189,500.14 and 51,436.22 is: 77,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,333.83 : 189,500.14 = 51,436.22 : x
  2. Step 2: Convert to fraction form
    126,333.83/189,500.14 = 51,436.22/x
  3. Step 3: Cross multiply
    126,333.83x = 189,500.14 × 51,436.22
  4. Step 4: Simplify right side
    126,333.83x = 9,747,171,073.80
  5. Step 5: Solve for x
    x = 9,747,171,073.80/126,333.83
  6. Step 6: Final answer
    x = 77,154.08

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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.