Home / 122,165.89-168,586.80-68,450.74

Finding the Fourth Proportional to 122,165.89, 168,586.80 and 68,450.74

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Solution

The fourth proportional to 122,165.89, 168,586.80 and 68,450.74 is: 94,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,165.89 : 168,586.80 = 68,450.74 : x
  2. Step 2: Convert to fraction form
    122,165.89/168,586.80 = 68,450.74/x
  3. Step 3: Cross multiply
    122,165.89x = 168,586.80 × 68,450.74
  4. Step 4: Simplify right side
    122,165.89x = 11,539,891,214.23
  5. Step 5: Solve for x
    x = 11,539,891,214.23/122,165.89
  6. Step 6: Final answer
    x = 94,460.83

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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.