Home / 126,804.11-174,988.40-68,660.55

Finding the Fourth Proportional to 126,804.11, 174,988.40 and 68,660.55

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Solution

The fourth proportional to 126,804.11, 174,988.40 and 68,660.55 is: 94,750.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,804.11 : 174,988.40 = 68,660.55 : x
  2. Step 2: Convert to fraction form
    126,804.11/174,988.40 = 68,660.55/x
  3. Step 3: Cross multiply
    126,804.11x = 174,988.40 × 68,660.55
  4. Step 4: Simplify right side
    126,804.11x = 12,014,799,444.32
  5. Step 5: Solve for x
    x = 12,014,799,444.32/126,804.11
  6. Step 6: Final answer
    x = 94,750.87

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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.