Home / 131,415.20-197,191.65-60,359.30

Finding the Fourth Proportional to 131,415.20, 197,191.65 and 60,359.30

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Solution

The fourth proportional to 131,415.20, 197,191.65 and 60,359.30 is: 90,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,415.20 : 197,191.65 = 60,359.30 : x
  2. Step 2: Convert to fraction form
    131,415.20/197,191.65 = 60,359.30/x
  3. Step 3: Cross multiply
    131,415.20x = 197,191.65 × 60,359.30
  4. Step 4: Simplify right side
    131,415.20x = 11,902,349,959.85
  5. Step 5: Solve for x
    x = 11,902,349,959.85/131,415.20
  6. Step 6: Final answer
    x = 90,570.57

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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.