Home / 98,967.04-148,413.72-39,782.80

Finding the Fourth Proportional to 98,967.04, 148,413.72 and 39,782.80

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Solution

The fourth proportional to 98,967.04, 148,413.72 and 39,782.80 is: 59,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,967.04 : 148,413.72 = 39,782.80 : x
  2. Step 2: Convert to fraction form
    98,967.04/148,413.72 = 39,782.80/x
  3. Step 3: Cross multiply
    98,967.04x = 148,413.72 × 39,782.80
  4. Step 4: Simplify right side
    98,967.04x = 5,904,313,340.02
  5. Step 5: Solve for x
    x = 5,904,313,340.02/98,967.04
  6. Step 6: Final answer
    x = 59,659.39

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1.5x scale

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.