Home / 149,425.56-206,183.58-84,001.45

Finding the Fourth Proportional to 149,425.56, 206,183.58 and 84,001.45

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Solution

The fourth proportional to 149,425.56, 206,183.58 and 84,001.45 is: 115,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,425.56 : 206,183.58 = 84,001.45 : x
  2. Step 2: Convert to fraction form
    149,425.56/206,183.58 = 84,001.45/x
  3. Step 3: Cross multiply
    149,425.56x = 206,183.58 × 84,001.45
  4. Step 4: Simplify right side
    149,425.56x = 17,319,719,686.19
  5. Step 5: Solve for x
    x = 17,319,719,686.19/149,425.56
  6. Step 6: Final answer
    x = 115,908.68

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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.