Home / 124,222.23-171,413.81-69,780.51

Finding the Fourth Proportional to 124,222.23, 171,413.81 and 69,780.51

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Solution

The fourth proportional to 124,222.23, 171,413.81 and 69,780.51 is: 96,289.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,222.23 : 171,413.81 = 69,780.51 : x
  2. Step 2: Convert to fraction form
    124,222.23/171,413.81 = 69,780.51/x
  3. Step 3: Cross multiply
    124,222.23x = 171,413.81 × 69,780.51
  4. Step 4: Simplify right side
    124,222.23x = 11,961,342,733.94
  5. Step 5: Solve for x
    x = 11,961,342,733.94/124,222.23
  6. Step 6: Final answer
    x = 96,289.87

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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.