Home / 258,758.78-357,087.03-144,034.93

Finding the Fourth Proportional to 258,758.78, 357,087.03 and 144,034.93

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Solution

The fourth proportional to 258,758.78, 357,087.03 and 144,034.93 is: 198,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,758.78 : 357,087.03 = 144,034.93 : x
  2. Step 2: Convert to fraction form
    258,758.78/357,087.03 = 144,034.93/x
  3. Step 3: Cross multiply
    258,758.78x = 357,087.03 × 144,034.93
  4. Step 4: Simplify right side
    258,758.78x = 51,433,005,369.96
  5. Step 5: Solve for x
    x = 51,433,005,369.96/258,758.78
  6. Step 6: Final answer
    x = 198,768.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.