Home / 109,413.40-164,117.70-30,525.40

Finding the Fourth Proportional to 109,413.40, 164,117.70 and 30,525.40

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Solution

The fourth proportional to 109,413.40, 164,117.70 and 30,525.40 is: 45,787.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,413.40 : 164,117.70 = 30,525.40 : x
  2. Step 2: Convert to fraction form
    109,413.40/164,117.70 = 30,525.40/x
  3. Step 3: Cross multiply
    109,413.40x = 164,117.70 × 30,525.40
  4. Step 4: Simplify right side
    109,413.40x = 5,009,758,439.58
  5. Step 5: Solve for x
    x = 5,009,758,439.58/109,413.40
  6. Step 6: Final answer
    x = 45,787.43

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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.