Home / 102,889.58-154,330.66-26,987.51

Finding the Fourth Proportional to 102,889.58, 154,330.66 and 26,987.51

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Solution

The fourth proportional to 102,889.58, 154,330.66 and 26,987.51 is: 40,480.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,889.58 : 154,330.66 = 26,987.51 : x
  2. Step 2: Convert to fraction form
    102,889.58/154,330.66 = 26,987.51/x
  3. Step 3: Cross multiply
    102,889.58x = 154,330.66 × 26,987.51
  4. Step 4: Simplify right side
    102,889.58x = 4,164,999,943.53
  5. Step 5: Solve for x
    x = 4,164,999,943.53/102,889.58
  6. Step 6: Final answer
    x = 40,480.29

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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.