Home / 239,222.97-330,126.17-131,790.51

Finding the Fourth Proportional to 239,222.97, 330,126.17 and 131,790.51

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Solution

The fourth proportional to 239,222.97, 330,126.17 and 131,790.51 is: 181,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,222.97 : 330,126.17 = 131,790.51 : x
  2. Step 2: Convert to fraction form
    239,222.97/330,126.17 = 131,790.51/x
  3. Step 3: Cross multiply
    239,222.97x = 330,126.17 × 131,790.51
  4. Step 4: Simplify right side
    239,222.97x = 43,507,495,649.69
  5. Step 5: Solve for x
    x = 43,507,495,649.69/239,222.97
  6. Step 6: Final answer
    x = 181,870.06

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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.