Home / 239,152.73-330,032.99-131,723.15

Finding the Fourth Proportional to 239,152.73, 330,032.99 and 131,723.15

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Solution

The fourth proportional to 239,152.73, 330,032.99 and 131,723.15 is: 181,779.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,152.73 : 330,032.99 = 131,723.15 : x
  2. Step 2: Convert to fraction form
    239,152.73/330,032.99 = 131,723.15/x
  3. Step 3: Cross multiply
    239,152.73x = 330,032.99 × 131,723.15
  4. Step 4: Simplify right side
    239,152.73x = 43,472,983,725.86
  5. Step 5: Solve for x
    x = 43,472,983,725.86/239,152.73
  6. Step 6: Final answer
    x = 181,779.17

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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.