Home / 148,020.10-222,260.55-85,812.10

Finding the Fourth Proportional to 148,020.10, 222,260.55 and 85,812.10

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Solution

The fourth proportional to 148,020.10, 222,260.55 and 85,812.10 is: 128,851.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,020.10 : 222,260.55 = 85,812.10 : x
  2. Step 2: Convert to fraction form
    148,020.10/222,260.55 = 85,812.10/x
  3. Step 3: Cross multiply
    148,020.10x = 222,260.55 × 85,812.10
  4. Step 4: Simplify right side
    148,020.10x = 19,072,644,542.66
  5. Step 5: Solve for x
    x = 19,072,644,542.66/148,020.10
  6. Step 6: Final answer
    x = 128,851.72

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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.