Home / 121,864.77-168,166.41-67,413.69

Finding the Fourth Proportional to 121,864.77, 168,166.41 and 67,413.69

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Solution

The fourth proportional to 121,864.77, 168,166.41 and 67,413.69 is: 93,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,864.77 : 168,166.41 = 67,413.69 : x
  2. Step 2: Convert to fraction form
    121,864.77/168,166.41 = 67,413.69/x
  3. Step 3: Cross multiply
    121,864.77x = 168,166.41 × 67,413.69
  4. Step 4: Simplify right side
    121,864.77x = 11,336,717,895.08
  5. Step 5: Solve for x
    x = 11,336,717,895.08/121,864.77
  6. Step 6: Final answer
    x = 93,027.03

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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.