Home / 180,834.37-271,266.35-90,830.81

Finding the Fourth Proportional to 180,834.37, 271,266.35 and 90,830.81

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Solution

The fourth proportional to 180,834.37, 271,266.35 and 90,830.81 is: 136,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,834.37 : 271,266.35 = 90,830.81 : x
  2. Step 2: Convert to fraction form
    180,834.37/271,266.35 = 90,830.81/x
  3. Step 3: Cross multiply
    180,834.37x = 271,266.35 × 90,830.81
  4. Step 4: Simplify right side
    180,834.37x = 24,639,340,485.76
  5. Step 5: Solve for x
    x = 24,639,340,485.76/180,834.37
  6. Step 6: Final answer
    x = 136,253.64

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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.