Home / 159,736.40-220,507.08-103,175.36

Finding the Fourth Proportional to 159,736.40, 220,507.08 and 103,175.36

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Solution

The fourth proportional to 159,736.40, 220,507.08 and 103,175.36 is: 142,427.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,736.40 : 220,507.08 = 103,175.36 : x
  2. Step 2: Convert to fraction form
    159,736.40/220,507.08 = 103,175.36/x
  3. Step 3: Cross multiply
    159,736.40x = 220,507.08 × 103,175.36
  4. Step 4: Simplify right side
    159,736.40x = 22,750,897,361.55
  5. Step 5: Solve for x
    x = 22,750,897,361.55/159,736.40
  6. Step 6: Final answer
    x = 142,427.76

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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.