Home / 219,413.43-302,790.02-118,811.43

Finding the Fourth Proportional to 219,413.43, 302,790.02 and 118,811.43

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Solution

The fourth proportional to 219,413.43, 302,790.02 and 118,811.43 is: 163,959.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,413.43 : 302,790.02 = 118,811.43 : x
  2. Step 2: Convert to fraction form
    219,413.43/302,790.02 = 118,811.43/x
  3. Step 3: Cross multiply
    219,413.43x = 302,790.02 × 118,811.43
  4. Step 4: Simplify right side
    219,413.43x = 35,974,914,671.87
  5. Step 5: Solve for x
    x = 35,974,914,671.87/219,413.43
  6. Step 6: Final answer
    x = 163,959.49

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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.