Home / 169,723.60-254,585.40-51,413.20

Finding the Fourth Proportional to 169,723.60, 254,585.40 and 51,413.20

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Solution

The fourth proportional to 169,723.60, 254,585.40 and 51,413.20 is: 77,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,723.60 : 254,585.40 = 51,413.20 : x
  2. Step 2: Convert to fraction form
    169,723.60/254,585.40 = 51,413.20/x
  3. Step 3: Cross multiply
    169,723.60x = 254,585.40 × 51,413.20
  4. Step 4: Simplify right side
    169,723.60x = 13,089,050,087.28
  5. Step 5: Solve for x
    x = 13,089,050,087.28/169,723.60
  6. Step 6: Final answer
    x = 77,119.80

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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.