Home / 159,899.47-239,801.11-131,749.74

Finding the Fourth Proportional to 159,899.47, 239,801.11 and 131,749.74

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Solution

The fourth proportional to 159,899.47, 239,801.11 and 131,749.74 is: 197,584.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,899.47 : 239,801.11 = 131,749.74 : x
  2. Step 2: Convert to fraction form
    159,899.47/239,801.11 = 131,749.74/x
  3. Step 3: Cross multiply
    159,899.47x = 239,801.11 × 131,749.74
  4. Step 4: Simplify right side
    159,899.47x = 31,593,733,564.84
  5. Step 5: Solve for x
    x = 31,593,733,564.84/159,899.47
  6. Step 6: Final answer
    x = 197,584.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.