Home / 145,687.80-201,105.66-113,867.04

Finding the Fourth Proportional to 145,687.80, 201,105.66 and 113,867.04

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Solution

The fourth proportional to 145,687.80, 201,105.66 and 113,867.04 is: 157,180.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,687.80 : 201,105.66 = 113,867.04 : x
  2. Step 2: Convert to fraction form
    145,687.80/201,105.66 = 113,867.04/x
  3. Step 3: Cross multiply
    145,687.80x = 201,105.66 × 113,867.04
  4. Step 4: Simplify right side
    145,687.80x = 22,899,306,231.45
  5. Step 5: Solve for x
    x = 22,899,306,231.45/145,687.80
  6. Step 6: Final answer
    x = 157,180.67

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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.