Home / 123,413.70-185,206.95-53,343.30

Finding the Fourth Proportional to 123,413.70, 185,206.95 and 53,343.30

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Solution

The fourth proportional to 123,413.70, 185,206.95 and 53,343.30 is: 80,052.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,413.70 : 185,206.95 = 53,343.30 : x
  2. Step 2: Convert to fraction form
    123,413.70/185,206.95 = 53,343.30/x
  3. Step 3: Cross multiply
    123,413.70x = 185,206.95 × 53,343.30
  4. Step 4: Simplify right side
    123,413.70x = 9,879,549,895.94
  5. Step 5: Solve for x
    x = 9,879,549,895.94/123,413.70
  6. Step 6: Final answer
    x = 80,052.29

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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.