Home / 126,800.72-174,983.74-68,657.18

Finding the Fourth Proportional to 126,800.72, 174,983.74 and 68,657.18

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Solution

The fourth proportional to 126,800.72, 174,983.74 and 68,657.18 is: 94,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,800.72 : 174,983.74 = 68,657.18 : x
  2. Step 2: Convert to fraction form
    126,800.72/174,983.74 = 68,657.18/x
  3. Step 3: Cross multiply
    126,800.72x = 174,983.74 × 68,657.18
  4. Step 4: Simplify right side
    126,800.72x = 12,013,889,087.69
  5. Step 5: Solve for x
    x = 12,013,889,087.69/126,800.72
  6. Step 6: Final answer
    x = 94,746.22

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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.