Home / 126,971.36-175,211.28-69,601.52

Finding the Fourth Proportional to 126,971.36, 175,211.28 and 69,601.52

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Solution

The fourth proportional to 126,971.36, 175,211.28 and 69,601.52 is: 96,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,971.36 : 175,211.28 = 69,601.52 : x
  2. Step 2: Convert to fraction form
    126,971.36/175,211.28 = 69,601.52/x
  3. Step 3: Cross multiply
    126,971.36x = 175,211.28 × 69,601.52
  4. Step 4: Simplify right side
    126,971.36x = 12,194,971,409.15
  5. Step 5: Solve for x
    x = 12,194,971,409.15/126,971.36
  6. Step 6: Final answer
    x = 96,045.06

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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.