Home / 126,055.70-189,083.55-55,942.10

Finding the Fourth Proportional to 126,055.70, 189,083.55 and 55,942.10

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Solution

The fourth proportional to 126,055.70, 189,083.55 and 55,942.10 is: 83,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,055.70 : 189,083.55 = 55,942.10 : x
  2. Step 2: Convert to fraction form
    126,055.70/189,083.55 = 55,942.10/x
  3. Step 3: Cross multiply
    126,055.70x = 189,083.55 × 55,942.10
  4. Step 4: Simplify right side
    126,055.70x = 10,577,730,862.46
  5. Step 5: Solve for x
    x = 10,577,730,862.46/126,055.70
  6. Step 6: Final answer
    x = 83,913.15

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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.