Home / 136,494.30-204,413.40-66,291.60

Finding the Fourth Proportional to 136,494.30, 204,413.40 and 66,291.60

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Solution

The fourth proportional to 136,494.30, 204,413.40 and 66,291.60 is: 99,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,494.30 : 204,413.40 = 66,291.60 : x
  2. Step 2: Convert to fraction form
    136,494.30/204,413.40 = 66,291.60/x
  3. Step 3: Cross multiply
    136,494.30x = 204,413.40 × 66,291.60
  4. Step 4: Simplify right side
    136,494.30x = 13,550,891,347.44
  5. Step 5: Solve for x
    x = 13,550,891,347.44/136,494.30
  6. Step 6: Final answer
    x = 99,278.07

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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.