Home / 185,244.05-255,637.05-100,361.12

Finding the Fourth Proportional to 185,244.05, 255,637.05 and 100,361.12

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Solution

The fourth proportional to 185,244.05, 255,637.05 and 100,361.12 is: 138,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,244.05 : 255,637.05 = 100,361.12 : x
  2. Step 2: Convert to fraction form
    185,244.05/255,637.05 = 100,361.12/x
  3. Step 3: Cross multiply
    185,244.05x = 255,637.05 × 100,361.12
  4. Step 4: Simplify right side
    185,244.05x = 25,656,018,871.51
  5. Step 5: Solve for x
    x = 25,656,018,871.51/185,244.05
  6. Step 6: Final answer
    x = 138,498.48

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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.