Home / 201,705.15-302,557.73-127,055.55

Finding the Fourth Proportional to 201,705.15, 302,557.73 and 127,055.55

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Solution

The fourth proportional to 201,705.15, 302,557.73 and 127,055.55 is: 190,583.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,705.15 : 302,557.73 = 127,055.55 : x
  2. Step 2: Convert to fraction form
    201,705.15/302,557.73 = 127,055.55/x
  3. Step 3: Cross multiply
    201,705.15x = 302,557.73 × 127,055.55
  4. Step 4: Simplify right side
    201,705.15x = 38,441,638,791.90
  5. Step 5: Solve for x
    x = 38,441,638,791.90/201,705.15
  6. Step 6: Final answer
    x = 190,583.33

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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.