Home / 239,160.43-330,041.35-131,730.46

Finding the Fourth Proportional to 239,160.43, 330,041.35 and 131,730.46

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Solution

The fourth proportional to 239,160.43, 330,041.35 and 131,730.46 is: 181,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,160.43 : 330,041.35 = 131,730.46 : x
  2. Step 2: Convert to fraction form
    239,160.43/330,041.35 = 131,730.46/x
  3. Step 3: Cross multiply
    239,160.43x = 330,041.35 × 131,730.46
  4. Step 4: Simplify right side
    239,160.43x = 43,476,498,194.08
  5. Step 5: Solve for x
    x = 43,476,498,194.08/239,160.43
  6. Step 6: Final answer
    x = 181,788.01

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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.