Home / 122,306.70-183,460.05-112,683.90

Finding the Fourth Proportional to 122,306.70, 183,460.05 and 112,683.90

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Solution

The fourth proportional to 122,306.70, 183,460.05 and 112,683.90 is: 169,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,306.70 : 183,460.05 = 112,683.90 : x
  2. Step 2: Convert to fraction form
    122,306.70/183,460.05 = 112,683.90/x
  3. Step 3: Cross multiply
    122,306.70x = 183,460.05 × 112,683.90
  4. Step 4: Simplify right side
    122,306.70x = 20,672,993,928.20
  5. Step 5: Solve for x
    x = 20,672,993,928.20/122,306.70
  6. Step 6: Final answer
    x = 169,025.85

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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.