Home / 148,880.67-205,464.51-85,217.10

Finding the Fourth Proportional to 148,880.67, 205,464.51 and 85,217.10

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Solution

The fourth proportional to 148,880.67, 205,464.51 and 85,217.10 is: 117,604.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,880.67 : 205,464.51 = 85,217.10 : x
  2. Step 2: Convert to fraction form
    148,880.67/205,464.51 = 85,217.10/x
  3. Step 3: Cross multiply
    148,880.67x = 205,464.51 × 85,217.10
  4. Step 4: Simplify right side
    148,880.67x = 17,509,089,695.12
  5. Step 5: Solve for x
    x = 17,509,089,695.12/148,880.67
  6. Step 6: Final answer
    x = 117,604.86

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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.