Home / 126,463.87-189,675.15-42,220.63

Finding the Fourth Proportional to 126,463.87, 189,675.15 and 42,220.63

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Solution

The fourth proportional to 126,463.87, 189,675.15 and 42,220.63 is: 63,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,463.87 : 189,675.15 = 42,220.63 : x
  2. Step 2: Convert to fraction form
    126,463.87/189,675.15 = 42,220.63/x
  3. Step 3: Cross multiply
    126,463.87x = 189,675.15 × 42,220.63
  4. Step 4: Simplify right side
    126,463.87x = 8,008,204,328.34
  5. Step 5: Solve for x
    x = 8,008,204,328.34/126,463.87
  6. Step 6: Final answer
    x = 63,324.05

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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.