Home / 239,221.22-330,124.51-131,790.31

Finding the Fourth Proportional to 239,221.22, 330,124.51 and 131,790.31

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Solution

The fourth proportional to 239,221.22, 330,124.51 and 131,790.31 is: 181,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,221.22 : 330,124.51 = 131,790.31 : x
  2. Step 2: Convert to fraction form
    239,221.22/330,124.51 = 131,790.31/x
  3. Step 3: Cross multiply
    239,221.22x = 330,124.51 × 131,790.31
  4. Step 4: Simplify right side
    239,221.22x = 43,507,210,850.92
  5. Step 5: Solve for x
    x = 43,507,210,850.92/239,221.22
  6. Step 6: Final answer
    x = 181,870.20

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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.