Home / 177,810.92-245,383.16-109,874.49

Finding the Fourth Proportional to 177,810.92, 245,383.16 and 109,874.49

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Solution

The fourth proportional to 177,810.92, 245,383.16 and 109,874.49 is: 151,629.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,810.92 : 245,383.16 = 109,874.49 : x
  2. Step 2: Convert to fraction form
    177,810.92/245,383.16 = 109,874.49/x
  3. Step 3: Cross multiply
    177,810.92x = 245,383.16 × 109,874.49
  4. Step 4: Simplify right side
    177,810.92x = 26,961,349,559.59
  5. Step 5: Solve for x
    x = 26,961,349,559.59/177,810.92
  6. Step 6: Final answer
    x = 151,629.32

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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.