Home / 103,433.36-155,146.94-28,558.08

Finding the Fourth Proportional to 103,433.36, 155,146.94 and 28,558.08

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Solution

The fourth proportional to 103,433.36, 155,146.94 and 28,558.08 is: 42,836.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,433.36 : 155,146.94 = 28,558.08 : x
  2. Step 2: Convert to fraction form
    103,433.36/155,146.94 = 28,558.08/x
  3. Step 3: Cross multiply
    103,433.36x = 155,146.94 × 28,558.08
  4. Step 4: Simplify right side
    103,433.36x = 4,430,698,724.28
  5. Step 5: Solve for x
    x = 4,430,698,724.28/103,433.36
  6. Step 6: Final answer
    x = 42,836.26

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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.