Home / 105,093.20-157,639.80-38,537.84

Finding the Fourth Proportional to 105,093.20, 157,639.80 and 38,537.84

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Solution

The fourth proportional to 105,093.20, 157,639.80 and 38,537.84 is: 57,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,093.20 : 157,639.80 = 38,537.84 : x
  2. Step 2: Convert to fraction form
    105,093.20/157,639.80 = 38,537.84/x
  3. Step 3: Cross multiply
    105,093.20x = 157,639.80 × 38,537.84
  4. Step 4: Simplify right side
    105,093.20x = 6,075,097,390.03
  5. Step 5: Solve for x
    x = 6,075,097,390.03/105,093.20
  6. Step 6: Final answer
    x = 57,806.76

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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.