Home / 131,686.42-197,535.26-51,741.70

Finding the Fourth Proportional to 131,686.42, 197,535.26 and 51,741.70

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Solution

The fourth proportional to 131,686.42, 197,535.26 and 51,741.70 is: 77,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,686.42 : 197,535.26 = 51,741.70 : x
  2. Step 2: Convert to fraction form
    131,686.42/197,535.26 = 51,741.70/x
  3. Step 3: Cross multiply
    131,686.42x = 197,535.26 × 51,741.70
  4. Step 4: Simplify right side
    131,686.42x = 10,220,810,162.34
  5. Step 5: Solve for x
    x = 10,220,810,162.34/131,686.42
  6. Step 6: Final answer
    x = 77,614.76

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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.