Home / 239,163.03-330,032.88-131,730.71

Finding the Fourth Proportional to 239,163.03, 330,032.88 and 131,730.71

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Solution

The fourth proportional to 239,163.03, 330,032.88 and 131,730.71 is: 181,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,163.03 : 330,032.88 = 131,730.71 : x
  2. Step 2: Convert to fraction form
    239,163.03/330,032.88 = 131,730.71/x
  3. Step 3: Cross multiply
    239,163.03x = 330,032.88 × 131,730.71
  4. Step 4: Simplify right side
    239,163.03x = 43,475,463,955.58
  5. Step 5: Solve for x
    x = 43,475,463,955.58/239,163.03
  6. Step 6: Final answer
    x = 181,781.71

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1.5x scale

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.