Home / 94,989.42-142,647.14-84,339.85

Finding the Fourth Proportional to 94,989.42, 142,647.14 and 84,339.85

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Solution

The fourth proportional to 94,989.42, 142,647.14 and 84,339.85 is: 126,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,989.42 : 142,647.14 = 84,339.85 : x
  2. Step 2: Convert to fraction form
    94,989.42/142,647.14 = 84,339.85/x
  3. Step 3: Cross multiply
    94,989.42x = 142,647.14 × 84,339.85
  4. Step 4: Simplify right side
    94,989.42x = 12,030,838,390.53
  5. Step 5: Solve for x
    x = 12,030,838,390.53/94,989.42
  6. Step 6: Final answer
    x = 126,654.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.