Home / 158,173.31-218,197.42-107,168.59

Finding the Fourth Proportional to 158,173.31, 218,197.42 and 107,168.59

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Solution

The fourth proportional to 158,173.31, 218,197.42 and 107,168.59 is: 147,837.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,173.31 : 218,197.42 = 107,168.59 : x
  2. Step 2: Convert to fraction form
    158,173.31/218,197.42 = 107,168.59/x
  3. Step 3: Cross multiply
    158,173.31x = 218,197.42 × 107,168.59
  4. Step 4: Simplify right side
    158,173.31x = 23,383,908,216.21
  5. Step 5: Solve for x
    x = 23,383,908,216.21/158,173.31
  6. Step 6: Final answer
    x = 147,837.26

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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.