Home / 126,111.10-174,028.02-68,749.18

Finding the Fourth Proportional to 126,111.10, 174,028.02 and 68,749.18

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Solution

The fourth proportional to 126,111.10, 174,028.02 and 68,749.18 is: 94,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,111.10 : 174,028.02 = 68,749.18 : x
  2. Step 2: Convert to fraction form
    126,111.10/174,028.02 = 68,749.18/x
  3. Step 3: Cross multiply
    126,111.10x = 174,028.02 × 68,749.18
  4. Step 4: Simplify right side
    126,111.10x = 11,964,283,672.02
  5. Step 5: Solve for x
    x = 11,964,283,672.02/126,111.10
  6. Step 6: Final answer
    x = 94,870.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.