Home / 148,664.84-205,163.68-85,002.60

Finding the Fourth Proportional to 148,664.84, 205,163.68 and 85,002.60

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Solution

The fourth proportional to 148,664.84, 205,163.68 and 85,002.60 is: 117,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,664.84 : 205,163.68 = 85,002.60 : x
  2. Step 2: Convert to fraction form
    148,664.84/205,163.68 = 85,002.60/x
  3. Step 3: Cross multiply
    148,664.84x = 205,163.68 × 85,002.60
  4. Step 4: Simplify right side
    148,664.84x = 17,439,446,225.57
  5. Step 5: Solve for x
    x = 17,439,446,225.57/148,664.84
  6. Step 6: Final answer
    x = 117,307.13

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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.