Home / 131,664.60-197,399.70-56,723.40

Finding the Fourth Proportional to 131,664.60, 197,399.70 and 56,723.40

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Solution

The fourth proportional to 131,664.60, 197,399.70 and 56,723.40 is: 85,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,664.60 : 197,399.70 = 56,723.40 : x
  2. Step 2: Convert to fraction form
    131,664.60/197,399.70 = 56,723.40/x
  3. Step 3: Cross multiply
    131,664.60x = 197,399.70 × 56,723.40
  4. Step 4: Simplify right side
    131,664.60x = 11,197,182,142.98
  5. Step 5: Solve for x
    x = 11,197,182,142.98/131,664.60
  6. Step 6: Final answer
    x = 85,043.22

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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.