Home / 195,750.81-270,123.32-115,162.75

Finding the Fourth Proportional to 195,750.81, 270,123.32 and 115,162.75

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Solution

The fourth proportional to 195,750.81, 270,123.32 and 115,162.75 is: 158,917.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,750.81 : 270,123.32 = 115,162.75 : x
  2. Step 2: Convert to fraction form
    195,750.81/270,123.32 = 115,162.75/x
  3. Step 3: Cross multiply
    195,750.81x = 270,123.32 × 115,162.75
  4. Step 4: Simplify right side
    195,750.81x = 31,108,144,370.33
  5. Step 5: Solve for x
    x = 31,108,144,370.33/195,750.81
  6. Step 6: Final answer
    x = 158,917.07

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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.