Home / 185,175.09-255,541.64-100,292.16

Finding the Fourth Proportional to 185,175.09, 255,541.64 and 100,292.16

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Solution

The fourth proportional to 185,175.09, 255,541.64 and 100,292.16 is: 138,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,175.09 : 255,541.64 = 100,292.16 : x
  2. Step 2: Convert to fraction form
    185,175.09/255,541.64 = 100,292.16/x
  3. Step 3: Cross multiply
    185,175.09x = 255,541.64 × 100,292.16
  4. Step 4: Simplify right side
    185,175.09x = 25,628,822,544.08
  5. Step 5: Solve for x
    x = 25,628,822,544.08/185,175.09
  6. Step 6: Final answer
    x = 138,403.19

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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.