Home / 122,252.58-168,708.83-71,261.46

Finding the Fourth Proportional to 122,252.58, 168,708.83 and 71,261.46

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Solution

The fourth proportional to 122,252.58, 168,708.83 and 71,261.46 is: 98,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,252.58 : 168,708.83 = 71,261.46 : x
  2. Step 2: Convert to fraction form
    122,252.58/168,708.83 = 71,261.46/x
  3. Step 3: Cross multiply
    122,252.58x = 168,708.83 × 71,261.46
  4. Step 4: Simplify right side
    122,252.58x = 12,022,437,184.38
  5. Step 5: Solve for x
    x = 12,022,437,184.38/122,252.58
  6. Step 6: Final answer
    x = 98,340.97

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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.