Home / 239,155.12-330,030.48-131,725.36

Finding the Fourth Proportional to 239,155.12, 330,030.48 and 131,725.36

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Solution

The fourth proportional to 239,155.12, 330,030.48 and 131,725.36 is: 181,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,155.12 : 330,030.48 = 131,725.36 : x
  2. Step 2: Convert to fraction form
    239,155.12/330,030.48 = 131,725.36/x
  3. Step 3: Cross multiply
    239,155.12x = 330,030.48 × 131,725.36
  4. Step 4: Simplify right side
    239,155.12x = 43,473,383,788.97
  5. Step 5: Solve for x
    x = 43,473,383,788.97/239,155.12
  6. Step 6: Final answer
    x = 181,779.02

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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.