Home / 119,868.63-165,413.87-66,152.94

Finding the Fourth Proportional to 119,868.63, 165,413.87 and 66,152.94

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Solution

The fourth proportional to 119,868.63, 165,413.87 and 66,152.94 is: 91,288.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,868.63 : 165,413.87 = 66,152.94 : x
  2. Step 2: Convert to fraction form
    119,868.63/165,413.87 = 66,152.94/x
  3. Step 3: Cross multiply
    119,868.63x = 165,413.87 × 66,152.94
  4. Step 4: Simplify right side
    119,868.63x = 10,942,614,354.89
  5. Step 5: Solve for x
    x = 10,942,614,354.89/119,868.63
  6. Step 6: Final answer
    x = 91,288.39

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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.