Home / 131,135.87-196,703.65-52,305.46

Finding the Fourth Proportional to 131,135.87, 196,703.65 and 52,305.46

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Solution

The fourth proportional to 131,135.87, 196,703.65 and 52,305.46 is: 78,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,135.87 : 196,703.65 = 52,305.46 : x
  2. Step 2: Convert to fraction form
    131,135.87/196,703.65 = 52,305.46/x
  3. Step 3: Cross multiply
    131,135.87x = 196,703.65 × 52,305.46
  4. Step 4: Simplify right side
    131,135.87x = 10,288,674,896.93
  5. Step 5: Solve for x
    x = 10,288,674,896.93/131,135.87
  6. Step 6: Final answer
    x = 78,458.13

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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.