Home / 122,815.44-169,482.98-68,367.24

Finding the Fourth Proportional to 122,815.44, 169,482.98 and 68,367.24

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Solution

The fourth proportional to 122,815.44, 169,482.98 and 68,367.24 is: 94,345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,815.44 : 169,482.98 = 68,367.24 : x
  2. Step 2: Convert to fraction form
    122,815.44/169,482.98 = 68,367.24/x
  3. Step 3: Cross multiply
    122,815.44x = 169,482.98 × 68,367.24
  4. Step 4: Simplify right side
    122,815.44x = 11,587,083,740.49
  5. Step 5: Solve for x
    x = 11,587,083,740.49/122,815.44
  6. Step 6: Final answer
    x = 94,345.50

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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.