Home / 126,379.56-174,403.80-69,794.58

Finding the Fourth Proportional to 126,379.56, 174,403.80 and 69,794.58

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Solution

The fourth proportional to 126,379.56, 174,403.80 and 69,794.58 is: 96,316.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,379.56 : 174,403.80 = 69,794.58 : x
  2. Step 2: Convert to fraction form
    126,379.56/174,403.80 = 69,794.58/x
  3. Step 3: Cross multiply
    126,379.56x = 174,403.80 × 69,794.58
  4. Step 4: Simplify right side
    126,379.56x = 12,172,439,971.40
  5. Step 5: Solve for x
    x = 12,172,439,971.40/126,379.56
  6. Step 6: Final answer
    x = 96,316.52

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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.