Home / 131,211.99-196,849.22-42,465.50

Finding the Fourth Proportional to 131,211.99, 196,849.22 and 42,465.50

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Solution

The fourth proportional to 131,211.99, 196,849.22 and 42,465.50 is: 63,708.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,211.99 : 196,849.22 = 42,465.50 : x
  2. Step 2: Convert to fraction form
    131,211.99/196,849.22 = 42,465.50/x
  3. Step 3: Cross multiply
    131,211.99x = 196,849.22 × 42,465.50
  4. Step 4: Simplify right side
    131,211.99x = 8,359,299,806.24
  5. Step 5: Solve for x
    x = 8,359,299,806.24/131,211.99
  6. Step 6: Final answer
    x = 63,708.35

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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.