Home / 131,811.15-197,753.63-52,980.73

Finding the Fourth Proportional to 131,811.15, 197,753.63 and 52,980.73

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Solution

The fourth proportional to 131,811.15, 197,753.63 and 52,980.73 is: 79,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,811.15 : 197,753.63 = 52,980.73 : x
  2. Step 2: Convert to fraction form
    131,811.15/197,753.63 = 52,980.73/x
  3. Step 3: Cross multiply
    131,811.15x = 197,753.63 × 52,980.73
  4. Step 4: Simplify right side
    131,811.15x = 10,477,131,677.55
  5. Step 5: Solve for x
    x = 10,477,131,677.55/131,811.15
  6. Step 6: Final answer
    x = 79,485.93

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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.