Home / 126,391.14-174,420.81-69,803.46

Finding the Fourth Proportional to 126,391.14, 174,420.81 and 69,803.46

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Solution

The fourth proportional to 126,391.14, 174,420.81 and 69,803.46 is: 96,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,391.14 : 174,420.81 = 69,803.46 : x
  2. Step 2: Convert to fraction form
    126,391.14/174,420.81 = 69,803.46/x
  3. Step 3: Cross multiply
    126,391.14x = 174,420.81 × 69,803.46
  4. Step 4: Simplify right side
    126,391.14x = 12,175,176,034.00
  5. Step 5: Solve for x
    x = 12,175,176,034.00/126,391.14
  6. Step 6: Final answer
    x = 96,329.35

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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.