Home / 103,464.15-155,304.82-91,693.23

Finding the Fourth Proportional to 103,464.15, 155,304.82 and 91,693.23

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Solution

The fourth proportional to 103,464.15, 155,304.82 and 91,693.23 is: 137,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,464.15 : 155,304.82 = 91,693.23 : x
  2. Step 2: Convert to fraction form
    103,464.15/155,304.82 = 91,693.23/x
  3. Step 3: Cross multiply
    103,464.15x = 155,304.82 × 91,693.23
  4. Step 4: Simplify right side
    103,464.15x = 14,240,400,580.37
  5. Step 5: Solve for x
    x = 14,240,400,580.37/103,464.15
  6. Step 6: Final answer
    x = 137,636.09

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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.