Home / 122,613.56-183,789.46-69,909.56

Finding the Fourth Proportional to 122,613.56, 183,789.46 and 69,909.56

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Solution

The fourth proportional to 122,613.56, 183,789.46 and 69,909.56 is: 104,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,613.56 : 183,789.46 = 69,909.56 : x
  2. Step 2: Convert to fraction form
    122,613.56/183,789.46 = 69,909.56/x
  3. Step 3: Cross multiply
    122,613.56x = 183,789.46 × 69,909.56
  4. Step 4: Simplify right side
    122,613.56x = 12,848,640,281.24
  5. Step 5: Solve for x
    x = 12,848,640,281.24/122,613.56
  6. Step 6: Final answer
    x = 104,789.72

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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.