Home / 148,639.41-205,292.75-97,879.07

Finding the Fourth Proportional to 148,639.41, 205,292.75 and 97,879.07

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Solution

The fourth proportional to 148,639.41, 205,292.75 and 97,879.07 is: 135,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,639.41 : 205,292.75 = 97,879.07 : x
  2. Step 2: Convert to fraction form
    148,639.41/205,292.75 = 97,879.07/x
  3. Step 3: Cross multiply
    148,639.41x = 205,292.75 × 97,879.07
  4. Step 4: Simplify right side
    148,639.41x = 20,093,863,471.58
  5. Step 5: Solve for x
    x = 20,093,863,471.58/148,639.41
  6. Step 6: Final answer
    x = 135,185.30

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1.5x scale

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.