Home / 259,713.95-389,582.06-101,976.57

Finding the Fourth Proportional to 259,713.95, 389,582.06 and 101,976.57

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Solution

The fourth proportional to 259,713.95, 389,582.06 and 101,976.57 is: 152,969.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,713.95 : 389,582.06 = 101,976.57 : x
  2. Step 2: Convert to fraction form
    259,713.95/389,582.06 = 101,976.57/x
  3. Step 3: Cross multiply
    259,713.95x = 389,582.06 × 101,976.57
  4. Step 4: Simplify right side
    259,713.95x = 39,728,241,702.45
  5. Step 5: Solve for x
    x = 39,728,241,702.45/259,713.95
  6. Step 6: Final answer
    x = 152,969.23

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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.