Home / 159,848.80-239,427.60-142,338.40

Finding the Fourth Proportional to 159,848.80, 239,427.60 and 142,338.40

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Solution

The fourth proportional to 159,848.80, 239,427.60 and 142,338.40 is: 213,199.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,848.80 : 239,427.60 = 142,338.40 : x
  2. Step 2: Convert to fraction form
    159,848.80/239,427.60 = 142,338.40/x
  3. Step 3: Cross multiply
    159,848.80x = 239,427.60 × 142,338.40
  4. Step 4: Simplify right side
    159,848.80x = 34,079,741,499.84
  5. Step 5: Solve for x
    x = 34,079,741,499.84/159,848.80
  6. Step 6: Final answer
    x = 213,199.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.