Home / 121,864.52-168,166.06-67,413.44

Finding the Fourth Proportional to 121,864.52, 168,166.06 and 67,413.44

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Solution

The fourth proportional to 121,864.52, 168,166.06 and 67,413.44 is: 93,026.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,864.52 : 168,166.06 = 67,413.44 : x
  2. Step 2: Convert to fraction form
    121,864.52/168,166.06 = 67,413.44/x
  3. Step 3: Cross multiply
    121,864.52x = 168,166.06 × 67,413.44
  4. Step 4: Simplify right side
    121,864.52x = 11,336,652,595.85
  5. Step 5: Solve for x
    x = 11,336,652,595.85/121,864.52
  6. Step 6: Final answer
    x = 93,026.69

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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.