Home / 122,202.33-183,258.53-42,219.79

Finding the Fourth Proportional to 122,202.33, 183,258.53 and 42,219.79

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Solution

The fourth proportional to 122,202.33, 183,258.53 and 42,219.79 is: 63,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,202.33 : 183,258.53 = 42,219.79 : x
  2. Step 2: Convert to fraction form
    122,202.33/183,258.53 = 42,219.79/x
  3. Step 3: Cross multiply
    122,202.33x = 183,258.53 × 42,219.79
  4. Step 4: Simplify right side
    122,202.33x = 7,737,136,652.31
  5. Step 5: Solve for x
    x = 7,737,136,652.31/122,202.33
  6. Step 6: Final answer
    x = 63,314.15

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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.