Home / 131,632.85-197,473.80-52,753.22

Finding the Fourth Proportional to 131,632.85, 197,473.80 and 52,753.22

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Solution

The fourth proportional to 131,632.85, 197,473.80 and 52,753.22 is: 79,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,632.85 : 197,473.80 = 52,753.22 : x
  2. Step 2: Convert to fraction form
    131,632.85/197,473.80 = 52,753.22/x
  3. Step 3: Cross multiply
    131,632.85x = 197,473.80 × 52,753.22
  4. Step 4: Simplify right side
    131,632.85x = 10,417,379,580.67
  5. Step 5: Solve for x
    x = 10,417,379,580.67/131,632.85
  6. Step 6: Final answer
    x = 79,139.67

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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.