Home / 131,976.96-182,085.36-74,610.72

Finding the Fourth Proportional to 131,976.96, 182,085.36 and 74,610.72

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Solution

The fourth proportional to 131,976.96, 182,085.36 and 74,610.72 is: 102,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,976.96 : 182,085.36 = 74,610.72 : x
  2. Step 2: Convert to fraction form
    131,976.96/182,085.36 = 74,610.72/x
  3. Step 3: Cross multiply
    131,976.96x = 182,085.36 × 74,610.72
  4. Step 4: Simplify right side
    131,976.96x = 13,585,519,811.06
  5. Step 5: Solve for x
    x = 13,585,519,811.06/131,976.96
  6. Step 6: Final answer
    x = 102,938.57

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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.