Home / 155,319.71-214,413.41-117,094.79

Finding the Fourth Proportional to 155,319.71, 214,413.41 and 117,094.79

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Solution

The fourth proportional to 155,319.71, 214,413.41 and 117,094.79 is: 161,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,319.71 : 214,413.41 = 117,094.79 : x
  2. Step 2: Convert to fraction form
    155,319.71/214,413.41 = 117,094.79/x
  3. Step 3: Cross multiply
    155,319.71x = 214,413.41 × 117,094.79
  4. Step 4: Simplify right side
    155,319.71x = 25,106,692,631.66
  5. Step 5: Solve for x
    x = 25,106,692,631.66/155,319.71
  6. Step 6: Final answer
    x = 161,645.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.