Home / 205,004.09-282,809.20-133,357.97

Finding the Fourth Proportional to 205,004.09, 282,809.20 and 133,357.97

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Solution

The fourth proportional to 205,004.09, 282,809.20 and 133,357.97 is: 183,971.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,004.09 : 282,809.20 = 133,357.97 : x
  2. Step 2: Convert to fraction form
    205,004.09/282,809.20 = 133,357.97/x
  3. Step 3: Cross multiply
    205,004.09x = 282,809.20 × 133,357.97
  4. Step 4: Simplify right side
    205,004.09x = 37,714,860,809.32
  5. Step 5: Solve for x
    x = 37,714,860,809.32/205,004.09
  6. Step 6: Final answer
    x = 183,971.26

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1.5x scale

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.