Home / 180,180.91-248,642.05-106,641.01

Finding the Fourth Proportional to 180,180.91, 248,642.05 and 106,641.01

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Solution

The fourth proportional to 180,180.91, 248,642.05 and 106,641.01 is: 147,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,180.91 : 248,642.05 = 106,641.01 : x
  2. Step 2: Convert to fraction form
    180,180.91/248,642.05 = 106,641.01/x
  3. Step 3: Cross multiply
    180,180.91x = 248,642.05 × 106,641.01
  4. Step 4: Simplify right side
    180,180.91x = 26,515,439,340.47
  5. Step 5: Solve for x
    x = 26,515,439,340.47/180,180.91
  6. Step 6: Final answer
    x = 147,160.09

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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.