Home / 157,452.10-217,361.46-109,090.69

Finding the Fourth Proportional to 157,452.10, 217,361.46 and 109,090.69

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Solution

The fourth proportional to 157,452.10, 217,361.46 and 109,090.69 is: 150,598.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,452.10 : 217,361.46 = 109,090.69 : x
  2. Step 2: Convert to fraction form
    157,452.10/217,361.46 = 109,090.69/x
  3. Step 3: Cross multiply
    157,452.10x = 217,361.46 × 109,090.69
  4. Step 4: Simplify right side
    157,452.10x = 23,712,111,107.40
  5. Step 5: Solve for x
    x = 23,712,111,107.40/157,452.10
  6. Step 6: Final answer
    x = 150,598.89

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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.