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Finding the Fourth Proportional to 159,357.66, 219,671.91 and 131,014.14

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Solution

The fourth proportional to 159,357.66, 219,671.91 and 131,014.14 is: 180,600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,357.66 : 219,671.91 = 131,014.14 : x
  2. Step 2: Convert to fraction form
    159,357.66/219,671.91 = 131,014.14/x
  3. Step 3: Cross multiply
    159,357.66x = 219,671.91 × 131,014.14
  4. Step 4: Simplify right side
    159,357.66x = 28,780,126,370.81
  5. Step 5: Solve for x
    x = 28,780,126,370.81/159,357.66
  6. Step 6: Final answer
    x = 180,600.83

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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.