Home / 126,469.06-174,521.70-69,879.22

Finding the Fourth Proportional to 126,469.06, 174,521.70 and 69,879.22

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Solution

The fourth proportional to 126,469.06, 174,521.70 and 69,879.22 is: 96,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,469.06 : 174,521.70 = 69,879.22 : x
  2. Step 2: Convert to fraction form
    126,469.06/174,521.70 = 69,879.22/x
  3. Step 3: Cross multiply
    126,469.06x = 174,521.70 × 69,879.22
  4. Step 4: Simplify right side
    126,469.06x = 12,195,440,269.07
  5. Step 5: Solve for x
    x = 12,195,440,269.07/126,469.06
  6. Step 6: Final answer
    x = 96,430.23

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1.5x scale

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.