Home / 131,351.21-196,990.91-47,095.71

Finding the Fourth Proportional to 131,351.21, 196,990.91 and 47,095.71

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Solution

The fourth proportional to 131,351.21, 196,990.91 and 47,095.71 is: 70,630.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,351.21 : 196,990.91 = 47,095.71 : x
  2. Step 2: Convert to fraction form
    131,351.21/196,990.91 = 47,095.71/x
  3. Step 3: Cross multiply
    131,351.21x = 196,990.91 × 47,095.71
  4. Step 4: Simplify right side
    131,351.21x = 9,277,426,534.52
  5. Step 5: Solve for x
    x = 9,277,426,534.52/131,351.21
  6. Step 6: Final answer
    x = 70,630.69

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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.