Home / 126,871.16-190,309.84-42,632.54

Finding the Fourth Proportional to 126,871.16, 190,309.84 and 42,632.54

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Solution

The fourth proportional to 126,871.16, 190,309.84 and 42,632.54 is: 63,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,871.16 : 190,309.84 = 42,632.54 : x
  2. Step 2: Convert to fraction form
    126,871.16/190,309.84 = 42,632.54/x
  3. Step 3: Cross multiply
    126,871.16x = 190,309.84 × 42,632.54
  4. Step 4: Simplify right side
    126,871.16x = 8,113,391,866.19
  5. Step 5: Solve for x
    x = 8,113,391,866.19/126,871.16
  6. Step 6: Final answer
    x = 63,949.85

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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.