Home / 239,320.58-330,260.76-131,890.68

Finding the Fourth Proportional to 239,320.58, 330,260.76 and 131,890.68

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Solution

The fourth proportional to 239,320.58, 330,260.76 and 131,890.68 is: 182,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,320.58 : 330,260.76 = 131,890.68 : x
  2. Step 2: Convert to fraction form
    239,320.58/330,260.76 = 131,890.68/x
  3. Step 3: Cross multiply
    239,320.58x = 330,260.76 × 131,890.68
  4. Step 4: Simplify right side
    239,320.58x = 43,558,316,213.72
  5. Step 5: Solve for x
    x = 43,558,316,213.72/239,320.58
  6. Step 6: Final answer
    x = 182,008.24

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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.