Home / 107,413.07-161,165.12-57,480.21

Finding the Fourth Proportional to 107,413.07, 161,165.12 and 57,480.21

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Solution

The fourth proportional to 107,413.07, 161,165.12 and 57,480.21 is: 86,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,413.07 : 161,165.12 = 57,480.21 : x
  2. Step 2: Convert to fraction form
    107,413.07/161,165.12 = 57,480.21/x
  3. Step 3: Cross multiply
    107,413.07x = 161,165.12 × 57,480.21
  4. Step 4: Simplify right side
    107,413.07x = 9,263,804,654.87
  5. Step 5: Solve for x
    x = 9,263,804,654.87/107,413.07
  6. Step 6: Final answer
    x = 86,244.67

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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.