Home / 91,928.05-137,900.03-25,368.19

Finding the Fourth Proportional to 91,928.05, 137,900.03 and 25,368.19

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Solution

The fourth proportional to 91,928.05, 137,900.03 and 25,368.19 is: 38,054.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,928.05 : 137,900.03 = 25,368.19 : x
  2. Step 2: Convert to fraction form
    91,928.05/137,900.03 = 25,368.19/x
  3. Step 3: Cross multiply
    91,928.05x = 137,900.03 × 25,368.19
  4. Step 4: Simplify right side
    91,928.05x = 3,498,273,690.45
  5. Step 5: Solve for x
    x = 3,498,273,690.45/91,928.05
  6. Step 6: Final answer
    x = 38,054.48

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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.