Home / 210,906.46-291,050.93-115,413.16

Finding the Fourth Proportional to 210,906.46, 291,050.93 and 115,413.16

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Solution

The fourth proportional to 210,906.46, 291,050.93 and 115,413.16 is: 159,270.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,906.46 : 291,050.93 = 115,413.16 : x
  2. Step 2: Convert to fraction form
    210,906.46/291,050.93 = 115,413.16/x
  3. Step 3: Cross multiply
    210,906.46x = 291,050.93 × 115,413.16
  4. Step 4: Simplify right side
    210,906.46x = 33,591,106,975.17
  5. Step 5: Solve for x
    x = 33,591,106,975.17/210,906.46
  6. Step 6: Final answer
    x = 159,270.17

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1.5x scale

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.