Home / 131,397.39-197,107.02-56,519.37

Finding the Fourth Proportional to 131,397.39, 197,107.02 and 56,519.37

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Solution

The fourth proportional to 131,397.39, 197,107.02 and 56,519.37 is: 84,783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,397.39 : 197,107.02 = 56,519.37 : x
  2. Step 2: Convert to fraction form
    131,397.39/197,107.02 = 56,519.37/x
  3. Step 3: Cross multiply
    131,397.39x = 197,107.02 × 56,519.37
  4. Step 4: Simplify right side
    131,397.39x = 11,140,364,592.98
  5. Step 5: Solve for x
    x = 11,140,364,592.98/131,397.39
  6. Step 6: Final answer
    x = 84,783.76

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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.