Home / 126,112.93-189,128.23-41,850.45

Finding the Fourth Proportional to 126,112.93, 189,128.23 and 41,850.45

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Solution

The fourth proportional to 126,112.93, 189,128.23 and 41,850.45 is: 62,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,112.93 : 189,128.23 = 41,850.45 : x
  2. Step 2: Convert to fraction form
    126,112.93/189,128.23 = 41,850.45/x
  3. Step 3: Cross multiply
    126,112.93x = 189,128.23 × 41,850.45
  4. Step 4: Simplify right side
    126,112.93x = 7,915,101,428.58
  5. Step 5: Solve for x
    x = 7,915,101,428.58/126,112.93
  6. Step 6: Final answer
    x = 62,762.01

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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.