Home / 126,219.64-174,180.28-69,631

Finding the Fourth Proportional to 126,219.64, 174,180.28 and 69,631

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Solution

The fourth proportional to 126,219.64, 174,180.28 and 69,631 is: 96,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,219.64 : 174,180.28 = 69,631 : x
  2. Step 2: Convert to fraction form
    126,219.64/174,180.28 = 69,631/x
  3. Step 3: Cross multiply
    126,219.64x = 174,180.28 × 69,631
  4. Step 4: Simplify right side
    126,219.64x = 12,128,347,076.68
  5. Step 5: Solve for x
    x = 12,128,347,076.68/126,219.64
  6. Step 6: Final answer
    x = 96,089.22

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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.