Home / 147,721.64-221,563.02-41,112.68

Finding the Fourth Proportional to 147,721.64, 221,563.02 and 41,112.68

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Solution

The fourth proportional to 147,721.64, 221,563.02 and 41,112.68 is: 61,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,721.64 : 221,563.02 = 41,112.68 : x
  2. Step 2: Convert to fraction form
    147,721.64/221,563.02 = 41,112.68/x
  3. Step 3: Cross multiply
    147,721.64x = 221,563.02 × 41,112.68
  4. Step 4: Simplify right side
    147,721.64x = 9,109,049,541.09
  5. Step 5: Solve for x
    x = 9,109,049,541.09/147,721.64
  6. Step 6: Final answer
    x = 61,663.61

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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.