Home / 103,278.33-154,870.77-36,720.23

Finding the Fourth Proportional to 103,278.33, 154,870.77 and 36,720.23

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Solution

The fourth proportional to 103,278.33, 154,870.77 and 36,720.23 is: 55,063.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,278.33 : 154,870.77 = 36,720.23 : x
  2. Step 2: Convert to fraction form
    103,278.33/154,870.77 = 36,720.23/x
  3. Step 3: Cross multiply
    103,278.33x = 154,870.77 × 36,720.23
  4. Step 4: Simplify right side
    103,278.33x = 5,686,890,111.08
  5. Step 5: Solve for x
    x = 5,686,890,111.08/103,278.33
  6. Step 6: Final answer
    x = 55,063.73

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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.