Home / 131,297.15-196,980.66-47,065.86

Finding the Fourth Proportional to 131,297.15, 196,980.66 and 47,065.86

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Solution

The fourth proportional to 131,297.15, 196,980.66 and 47,065.86 is: 70,611.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,297.15 : 196,980.66 = 47,065.86 : x
  2. Step 2: Convert to fraction form
    131,297.15/196,980.66 = 47,065.86/x
  3. Step 3: Cross multiply
    131,297.15x = 196,980.66 × 47,065.86
  4. Step 4: Simplify right side
    131,297.15x = 9,271,064,166.27
  5. Step 5: Solve for x
    x = 9,271,064,166.27/131,297.15
  6. Step 6: Final answer
    x = 70,611.31

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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.