Home / 89,830.20-134,745.70-23,265.60

Finding the Fourth Proportional to 89,830.20, 134,745.70 and 23,265.60

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Solution

The fourth proportional to 89,830.20, 134,745.70 and 23,265.60 is: 34,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,830.20 : 134,745.70 = 23,265.60 : x
  2. Step 2: Convert to fraction form
    89,830.20/134,745.70 = 23,265.60/x
  3. Step 3: Cross multiply
    89,830.20x = 134,745.70 × 23,265.60
  4. Step 4: Simplify right side
    89,830.20x = 3,134,939,557.92
  5. Step 5: Solve for x
    x = 3,134,939,557.92/89,830.20
  6. Step 6: Final answer
    x = 34,898.50

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1.5x scale

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.