Home / 131,539.53-197,260.83-47,277.21

Finding the Fourth Proportional to 131,539.53, 197,260.83 and 47,277.21

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Solution

The fourth proportional to 131,539.53, 197,260.83 and 47,277.21 is: 70,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,539.53 : 197,260.83 = 47,277.21 : x
  2. Step 2: Convert to fraction form
    131,539.53/197,260.83 = 47,277.21/x
  3. Step 3: Cross multiply
    131,539.53x = 197,260.83 × 47,277.21
  4. Step 4: Simplify right side
    131,539.53x = 9,325,941,684.68
  5. Step 5: Solve for x
    x = 9,325,941,684.68/131,539.53
  6. Step 6: Final answer
    x = 70,898.40

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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.