Home / 127,299.66-175,673.64-69,942.68

Finding the Fourth Proportional to 127,299.66, 175,673.64 and 69,942.68

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Solution

The fourth proportional to 127,299.66, 175,673.64 and 69,942.68 is: 96,520.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,299.66 : 175,673.64 = 69,942.68 : x
  2. Step 2: Convert to fraction form
    127,299.66/175,673.64 = 69,942.68/x
  3. Step 3: Cross multiply
    127,299.66x = 175,673.64 × 69,942.68
  4. Step 4: Simplify right side
    127,299.66x = 12,287,085,186.96
  5. Step 5: Solve for x
    x = 12,287,085,186.96/127,299.66
  6. Step 6: Final answer
    x = 96,520.96

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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.