Home / 126,490.27-174,549.70-69,898

Finding the Fourth Proportional to 126,490.27, 174,549.70 and 69,898

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Solution

The fourth proportional to 126,490.27, 174,549.70 and 69,898 is: 96,455.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,490.27 : 174,549.70 = 69,898 : x
  2. Step 2: Convert to fraction form
    126,490.27/174,549.70 = 69,898/x
  3. Step 3: Cross multiply
    126,490.27x = 174,549.70 × 69,898
  4. Step 4: Simplify right side
    126,490.27x = 12,200,674,930.60
  5. Step 5: Solve for x
    x = 12,200,674,930.60/126,490.27
  6. Step 6: Final answer
    x = 96,455.44

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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.