Home / 88,497.21-122,006.75-85,745.37

Finding the Fourth Proportional to 88,497.21, 122,006.75 and 85,745.37

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Solution

The fourth proportional to 88,497.21, 122,006.75 and 85,745.37 is: 118,212.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,497.21 : 122,006.75 = 85,745.37 : x
  2. Step 2: Convert to fraction form
    88,497.21/122,006.75 = 85,745.37/x
  3. Step 3: Cross multiply
    88,497.21x = 122,006.75 × 85,745.37
  4. Step 4: Simplify right side
    88,497.21x = 10,461,513,492.52
  5. Step 5: Solve for x
    x = 10,461,513,492.52/88,497.21
  6. Step 6: Final answer
    x = 118,212.92

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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.