Home / 126,475.56-189,657.75-67,297.16

Finding the Fourth Proportional to 126,475.56, 189,657.75 and 67,297.16

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Solution

The fourth proportional to 126,475.56, 189,657.75 and 67,297.16 is: 100,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,475.56 : 189,657.75 = 67,297.16 : x
  2. Step 2: Convert to fraction form
    126,475.56/189,657.75 = 67,297.16/x
  3. Step 3: Cross multiply
    126,475.56x = 189,657.75 × 67,297.16
  4. Step 4: Simplify right side
    126,475.56x = 12,763,426,998.70
  5. Step 5: Solve for x
    x = 12,763,426,998.70/126,475.56
  6. Step 6: Final answer
    x = 100,916.15

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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.