Home / 126,384.06-174,491.94-78,656.70

Finding the Fourth Proportional to 126,384.06, 174,491.94 and 78,656.70

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Solution

The fourth proportional to 126,384.06, 174,491.94 and 78,656.70 is: 108,597.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,384.06 : 174,491.94 = 78,656.70 : x
  2. Step 2: Convert to fraction form
    126,384.06/174,491.94 = 78,656.70/x
  3. Step 3: Cross multiply
    126,384.06x = 174,491.94 × 78,656.70
  4. Step 4: Simplify right side
    126,384.06x = 13,724,960,177.00
  5. Step 5: Solve for x
    x = 13,724,960,177.00/126,384.06
  6. Step 6: Final answer
    x = 108,597.24

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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.