Home / 148,518.06-222,266.58-115,389.12

Finding the Fourth Proportional to 148,518.06, 222,266.58 and 115,389.12

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Solution

The fourth proportional to 148,518.06, 222,266.58 and 115,389.12 is: 172,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,518.06 : 222,266.58 = 115,389.12 : x
  2. Step 2: Convert to fraction form
    148,518.06/222,266.58 = 115,389.12/x
  3. Step 3: Cross multiply
    148,518.06x = 222,266.58 × 115,389.12
  4. Step 4: Simplify right side
    148,518.06x = 25,647,145,071.61
  5. Step 5: Solve for x
    x = 25,647,145,071.61/148,518.06
  6. Step 6: Final answer
    x = 172,687.05

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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.