Home / 126,247.43-174,222.06-69,658.81

Finding the Fourth Proportional to 126,247.43, 174,222.06 and 69,658.81

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Solution

The fourth proportional to 126,247.43, 174,222.06 and 69,658.81 is: 96,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,247.43 : 174,222.06 = 69,658.81 : x
  2. Step 2: Convert to fraction form
    126,247.43/174,222.06 = 69,658.81/x
  3. Step 3: Cross multiply
    126,247.43x = 174,222.06 × 69,658.81
  4. Step 4: Simplify right side
    126,247.43x = 12,136,100,678.57
  5. Step 5: Solve for x
    x = 12,136,100,678.57/126,247.43
  6. Step 6: Final answer
    x = 96,129.49

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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.