Home / 122,011.85-182,963.10-47,107.10

Finding the Fourth Proportional to 122,011.85, 182,963.10 and 47,107.10

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Solution

The fourth proportional to 122,011.85, 182,963.10 and 47,107.10 is: 70,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,011.85 : 182,963.10 = 47,107.10 : x
  2. Step 2: Convert to fraction form
    122,011.85/182,963.10 = 47,107.10/x
  3. Step 3: Cross multiply
    122,011.85x = 182,963.10 × 47,107.10
  4. Step 4: Simplify right side
    122,011.85x = 8,618,861,048.01
  5. Step 5: Solve for x
    x = 8,618,861,048.01/122,011.85
  6. Step 6: Final answer
    x = 70,639.54

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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.