Home / 126,056.70-189,085.05-55,943.10

Finding the Fourth Proportional to 126,056.70, 189,085.05 and 55,943.10

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Solution

The fourth proportional to 126,056.70, 189,085.05 and 55,943.10 is: 83,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,056.70 : 189,085.05 = 55,943.10 : x
  2. Step 2: Convert to fraction form
    126,056.70/189,085.05 = 55,943.10/x
  3. Step 3: Cross multiply
    126,056.70x = 189,085.05 × 55,943.10
  4. Step 4: Simplify right side
    126,056.70x = 10,578,003,860.66
  5. Step 5: Solve for x
    x = 10,578,003,860.66/126,056.70
  6. Step 6: Final answer
    x = 83,914.65

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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.