Home / 151,140.80-226,711.20-51,413.60

Finding the Fourth Proportional to 151,140.80, 226,711.20 and 51,413.60

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Solution

The fourth proportional to 151,140.80, 226,711.20 and 51,413.60 is: 77,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,140.80 : 226,711.20 = 51,413.60 : x
  2. Step 2: Convert to fraction form
    151,140.80/226,711.20 = 51,413.60/x
  3. Step 3: Cross multiply
    151,140.80x = 226,711.20 × 51,413.60
  4. Step 4: Simplify right side
    151,140.80x = 11,656,038,952.32
  5. Step 5: Solve for x
    x = 11,656,038,952.32/151,140.80
  6. Step 6: Final answer
    x = 77,120.40

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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.