Home / 126,372.64-174,393.60-69,784

Finding the Fourth Proportional to 126,372.64, 174,393.60 and 69,784

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Solution

The fourth proportional to 126,372.64, 174,393.60 and 69,784 is: 96,301.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,372.64 : 174,393.60 = 69,784 : x
  2. Step 2: Convert to fraction form
    126,372.64/174,393.60 = 69,784/x
  3. Step 3: Cross multiply
    126,372.64x = 174,393.60 × 69,784
  4. Step 4: Simplify right side
    126,372.64x = 12,169,882,982.40
  5. Step 5: Solve for x
    x = 12,169,882,982.40/126,372.64
  6. Step 6: Final answer
    x = 96,301.56

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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.