Home / 258,743.16-357,045.84-145,544.04

Finding the Fourth Proportional to 258,743.16, 357,045.84 and 145,544.04

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Solution

The fourth proportional to 258,743.16, 357,045.84 and 145,544.04 is: 200,839.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,743.16 : 357,045.84 = 145,544.04 : x
  2. Step 2: Convert to fraction form
    258,743.16/357,045.84 = 145,544.04/x
  3. Step 3: Cross multiply
    258,743.16x = 357,045.84 × 145,544.04
  4. Step 4: Simplify right side
    258,743.16x = 51,965,894,018.79
  5. Step 5: Solve for x
    x = 51,965,894,018.79/258,743.16
  6. Step 6: Final answer
    x = 200,839.68

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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.