Home / 147,943.20-221,914.80-122,023.20

Finding the Fourth Proportional to 147,943.20, 221,914.80 and 122,023.20

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Solution

The fourth proportional to 147,943.20, 221,914.80 and 122,023.20 is: 183,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,943.20 : 221,914.80 = 122,023.20 : x
  2. Step 2: Convert to fraction form
    147,943.20/221,914.80 = 122,023.20/x
  3. Step 3: Cross multiply
    147,943.20x = 221,914.80 × 122,023.20
  4. Step 4: Simplify right side
    147,943.20x = 27,078,754,023.36
  5. Step 5: Solve for x
    x = 27,078,754,023.36/147,943.20
  6. Step 6: Final answer
    x = 183,034.80

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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.