Home / 239,152.35-330,032.48-131,722.77

Finding the Fourth Proportional to 239,152.35, 330,032.48 and 131,722.77

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Solution

The fourth proportional to 239,152.35, 330,032.48 and 131,722.77 is: 181,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,152.35 : 330,032.48 = 131,722.77 : x
  2. Step 2: Convert to fraction form
    239,152.35/330,032.48 = 131,722.77/x
  3. Step 3: Cross multiply
    239,152.35x = 330,032.48 × 131,722.77
  4. Step 4: Simplify right side
    239,152.35x = 43,472,791,796.96
  5. Step 5: Solve for x
    x = 43,472,791,796.96/239,152.35
  6. Step 6: Final answer
    x = 181,778.65

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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.