Home / 258,033.06-387,094.98-117,805.86

Finding the Fourth Proportional to 258,033.06, 387,094.98 and 117,805.86

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Solution

The fourth proportional to 258,033.06, 387,094.98 and 117,805.86 is: 176,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,033.06 : 387,094.98 = 117,805.86 : x
  2. Step 2: Convert to fraction form
    258,033.06/387,094.98 = 117,805.86/x
  3. Step 3: Cross multiply
    258,033.06x = 387,094.98 × 117,805.86
  4. Step 4: Simplify right side
    258,033.06x = 45,602,057,020.58
  5. Step 5: Solve for x
    x = 45,602,057,020.58/258,033.06
  6. Step 6: Final answer
    x = 176,729.51

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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.