Home / 122,447.10-168,994.05-68,011.50

Finding the Fourth Proportional to 122,447.10, 168,994.05 and 68,011.50

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Solution

The fourth proportional to 122,447.10, 168,994.05 and 68,011.50 is: 93,865.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,447.10 : 168,994.05 = 68,011.50 : x
  2. Step 2: Convert to fraction form
    122,447.10/168,994.05 = 68,011.50/x
  3. Step 3: Cross multiply
    122,447.10x = 168,994.05 × 68,011.50
  4. Step 4: Simplify right side
    122,447.10x = 11,493,538,831.58
  5. Step 5: Solve for x
    x = 11,493,538,831.58/122,447.10
  6. Step 6: Final answer
    x = 93,865.34

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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.