Home / 126,012.81-173,895.63-68,652.82

Finding the Fourth Proportional to 126,012.81, 173,895.63 and 68,652.82

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Solution

The fourth proportional to 126,012.81, 173,895.63 and 68,652.82 is: 94,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,012.81 : 173,895.63 = 68,652.82 : x
  2. Step 2: Convert to fraction form
    126,012.81/173,895.63 = 68,652.82/x
  3. Step 3: Cross multiply
    126,012.81x = 173,895.63 × 68,652.82
  4. Step 4: Simplify right side
    126,012.81x = 11,938,425,385.18
  5. Step 5: Solve for x
    x = 11,938,425,385.18/126,012.81
  6. Step 6: Final answer
    x = 94,739.78

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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.