Home / 183,904.09-275,962.75-77,279.65

Finding the Fourth Proportional to 183,904.09, 275,962.75 and 77,279.65

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Solution

The fourth proportional to 183,904.09, 275,962.75 and 77,279.65 is: 115,964.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,904.09 : 275,962.75 = 77,279.65 : x
  2. Step 2: Convert to fraction form
    183,904.09/275,962.75 = 77,279.65/x
  3. Step 3: Cross multiply
    183,904.09x = 275,962.75 × 77,279.65
  4. Step 4: Simplify right side
    183,904.09x = 21,326,303,849.93
  5. Step 5: Solve for x
    x = 21,326,303,849.93/183,904.09
  6. Step 6: Final answer
    x = 115,964.27

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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.