Home / 122,231.21-168,689.47-68,526.60

Finding the Fourth Proportional to 122,231.21, 168,689.47 and 68,526.60

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Solution

The fourth proportional to 122,231.21, 168,689.47 and 68,526.60 is: 94,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,231.21 : 168,689.47 = 68,526.60 : x
  2. Step 2: Convert to fraction form
    122,231.21/168,689.47 = 68,526.60/x
  3. Step 3: Cross multiply
    122,231.21x = 168,689.47 × 68,526.60
  4. Step 4: Simplify right side
    122,231.21x = 11,559,715,834.90
  5. Step 5: Solve for x
    x = 11,559,715,834.90/122,231.21
  6. Step 6: Final answer
    x = 94,572.54

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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.