Home / 122,344.60-183,516.90-103,682.20

Finding the Fourth Proportional to 122,344.60, 183,516.90 and 103,682.20

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Solution

The fourth proportional to 122,344.60, 183,516.90 and 103,682.20 is: 155,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,344.60 : 183,516.90 = 103,682.20 : x
  2. Step 2: Convert to fraction form
    122,344.60/183,516.90 = 103,682.20/x
  3. Step 3: Cross multiply
    122,344.60x = 183,516.90 × 103,682.20
  4. Step 4: Simplify right side
    122,344.60x = 19,027,435,929.18
  5. Step 5: Solve for x
    x = 19,027,435,929.18/122,344.60
  6. Step 6: Final answer
    x = 155,523.30

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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.