Home / 111,735.48-154,227.66-66,445.38

Finding the Fourth Proportional to 111,735.48, 154,227.66 and 66,445.38

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Solution

The fourth proportional to 111,735.48, 154,227.66 and 66,445.38 is: 91,714.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,735.48 : 154,227.66 = 66,445.38 : x
  2. Step 2: Convert to fraction form
    111,735.48/154,227.66 = 66,445.38/x
  3. Step 3: Cross multiply
    111,735.48x = 154,227.66 × 66,445.38
  4. Step 4: Simplify right side
    111,735.48x = 10,247,715,475.21
  5. Step 5: Solve for x
    x = 10,247,715,475.21/111,735.48
  6. Step 6: Final answer
    x = 91,714.07

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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.