Home / 122,040.32-168,413.28-68,325.44

Finding the Fourth Proportional to 122,040.32, 168,413.28 and 68,325.44

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Solution

The fourth proportional to 122,040.32, 168,413.28 and 68,325.44 is: 94,287.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,040.32 : 168,413.28 = 68,325.44 : x
  2. Step 2: Convert to fraction form
    122,040.32/168,413.28 = 68,325.44/x
  3. Step 3: Cross multiply
    122,040.32x = 168,413.28 × 68,325.44
  4. Step 4: Simplify right side
    122,040.32x = 11,506,911,457.84
  5. Step 5: Solve for x
    x = 11,506,911,457.84/122,040.32
  6. Step 6: Final answer
    x = 94,287.79

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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.