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Finding the Fourth Proportional to 126,550, 174,623.84 and 69,953.68

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Solution

The fourth proportional to 126,550, 174,623.84 and 69,953.68 is: 96,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,550 : 174,623.84 = 69,953.68 : x
  2. Step 2: Convert to fraction form
    126,550/174,623.84 = 69,953.68/x
  3. Step 3: Cross multiply
    126,550x = 174,623.84 × 69,953.68
  4. Step 4: Simplify right side
    126,550x = 12,215,580,223.73
  5. Step 5: Solve for x
    x = 12,215,580,223.73/126,550
  6. Step 6: Final answer
    x = 96,527.70

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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.