Home / 159,205.07-238,846.62-130,790.05

Finding the Fourth Proportional to 159,205.07, 238,846.62 and 130,790.05

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Solution

The fourth proportional to 159,205.07, 238,846.62 and 130,790.05 is: 196,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,205.07 : 238,846.62 = 130,790.05 : x
  2. Step 2: Convert to fraction form
    159,205.07/238,846.62 = 130,790.05/x
  3. Step 3: Cross multiply
    159,205.07x = 238,846.62 × 130,790.05
  4. Step 4: Simplify right side
    159,205.07x = 31,238,761,372.13
  5. Step 5: Solve for x
    x = 31,238,761,372.13/159,205.07
  6. Step 6: Final answer
    x = 196,217.13

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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.