Home / 122,202.60-183,158.10-109,663.80

Finding the Fourth Proportional to 122,202.60, 183,158.10 and 109,663.80

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Solution

The fourth proportional to 122,202.60, 183,158.10 and 109,663.80 is: 164,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,202.60 : 183,158.10 = 109,663.80 : x
  2. Step 2: Convert to fraction form
    122,202.60/183,158.10 = 109,663.80/x
  3. Step 3: Cross multiply
    122,202.60x = 183,158.10 × 109,663.80
  4. Step 4: Simplify right side
    122,202.60x = 20,085,813,246.78
  5. Step 5: Solve for x
    x = 20,085,813,246.78/122,202.60
  6. Step 6: Final answer
    x = 164,364.86

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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.