Home / 103,266.06-154,886.78-28,393.81

Finding the Fourth Proportional to 103,266.06, 154,886.78 and 28,393.81

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Solution

The fourth proportional to 103,266.06, 154,886.78 and 28,393.81 is: 42,587.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,266.06 : 154,886.78 = 28,393.81 : x
  2. Step 2: Convert to fraction form
    103,266.06/154,886.78 = 28,393.81/x
  3. Step 3: Cross multiply
    103,266.06x = 154,886.78 × 28,393.81
  4. Step 4: Simplify right side
    103,266.06x = 4,397,825,486.60
  5. Step 5: Solve for x
    x = 4,397,825,486.60/103,266.06
  6. Step 6: Final answer
    x = 42,587.33

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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.