Home / 122,488.10-183,660.61-47,520.64

Finding the Fourth Proportional to 122,488.10, 183,660.61 and 47,520.64

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Solution

The fourth proportional to 122,488.10, 183,660.61 and 47,520.64 is: 71,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,488.10 : 183,660.61 = 47,520.64 : x
  2. Step 2: Convert to fraction form
    122,488.10/183,660.61 = 47,520.64/x
  3. Step 3: Cross multiply
    122,488.10x = 183,660.61 × 47,520.64
  4. Step 4: Simplify right side
    122,488.10x = 8,727,668,574.08
  5. Step 5: Solve for x
    x = 8,727,668,574.08/122,488.10
  6. Step 6: Final answer
    x = 71,253.20

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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.