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Finding the Fourth Proportional to 136,413.60, 204,620.40 and 94,423.20

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Solution

The fourth proportional to 136,413.60, 204,620.40 and 94,423.20 is: 141,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,413.60 : 204,620.40 = 94,423.20 : x
  2. Step 2: Convert to fraction form
    136,413.60/204,620.40 = 94,423.20/x
  3. Step 3: Cross multiply
    136,413.60x = 204,620.40 × 94,423.20
  4. Step 4: Simplify right side
    136,413.60x = 19,320,912,953.28
  5. Step 5: Solve for x
    x = 19,320,912,953.28/136,413.60
  6. Step 6: Final answer
    x = 141,634.80

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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.