Home / 131,558.21-197,336.85-47,318.23

Finding the Fourth Proportional to 131,558.21, 197,336.85 and 47,318.23

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Solution

The fourth proportional to 131,558.21, 197,336.85 and 47,318.23 is: 70,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,558.21 : 197,336.85 = 47,318.23 : x
  2. Step 2: Convert to fraction form
    131,558.21/197,336.85 = 47,318.23/x
  3. Step 3: Cross multiply
    131,558.21x = 197,336.85 × 47,318.23
  4. Step 4: Simplify right side
    131,558.21x = 9,337,630,455.78
  5. Step 5: Solve for x
    x = 9,337,630,455.78/131,558.21
  6. Step 6: Final answer
    x = 70,977.18

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1.5x scale

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.