Home / 126,212.49-174,174.17-69,625.89

Finding the Fourth Proportional to 126,212.49, 174,174.17 and 69,625.89

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Solution

The fourth proportional to 126,212.49, 174,174.17 and 69,625.89 is: 96,084.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,212.49 : 174,174.17 = 69,625.89 : x
  2. Step 2: Convert to fraction form
    126,212.49/174,174.17 = 69,625.89/x
  3. Step 3: Cross multiply
    126,212.49x = 174,174.17 × 69,625.89
  4. Step 4: Simplify right side
    126,212.49x = 12,127,031,601.26
  5. Step 5: Solve for x
    x = 12,127,031,601.26/126,212.49
  6. Step 6: Final answer
    x = 96,084.24

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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.