Home / 205,015.07-282,951.95-124,427.03

Finding the Fourth Proportional to 205,015.07, 282,951.95 and 124,427.03

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Solution

The fourth proportional to 205,015.07, 282,951.95 and 124,427.03 is: 171,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,015.07 : 282,951.95 = 124,427.03 : x
  2. Step 2: Convert to fraction form
    205,015.07/282,951.95 = 124,427.03/x
  3. Step 3: Cross multiply
    205,015.07x = 282,951.95 × 124,427.03
  4. Step 4: Simplify right side
    205,015.07x = 35,206,868,734.31
  5. Step 5: Solve for x
    x = 35,206,868,734.31/205,015.07
  6. Step 6: Final answer
    x = 171,728.20

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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.