Home / 119,868.38-165,413.53-66,152.70

Finding the Fourth Proportional to 119,868.38, 165,413.53 and 66,152.70

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Solution

The fourth proportional to 119,868.38, 165,413.53 and 66,152.70 is: 91,288.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,868.38 : 165,413.53 = 66,152.70 : x
  2. Step 2: Convert to fraction form
    119,868.38/165,413.53 = 66,152.70/x
  3. Step 3: Cross multiply
    119,868.38x = 165,413.53 × 66,152.70
  4. Step 4: Simplify right side
    119,868.38x = 10,942,550,468.20
  5. Step 5: Solve for x
    x = 10,942,550,468.20/119,868.38
  6. Step 6: Final answer
    x = 91,288.05

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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.