Home / 136,028.76-204,010.74-57,144.52

Finding the Fourth Proportional to 136,028.76, 204,010.74 and 57,144.52

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Solution

The fourth proportional to 136,028.76, 204,010.74 and 57,144.52 is: 85,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,028.76 : 204,010.74 = 57,144.52 : x
  2. Step 2: Convert to fraction form
    136,028.76/204,010.74 = 57,144.52/x
  3. Step 3: Cross multiply
    136,028.76x = 204,010.74 × 57,144.52
  4. Step 4: Simplify right side
    136,028.76x = 11,658,095,812.14
  5. Step 5: Solve for x
    x = 11,658,095,812.14/136,028.76
  6. Step 6: Final answer
    x = 85,703.17

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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.