Home / 99,664.30-149,496.45-64,413.10

Finding the Fourth Proportional to 99,664.30, 149,496.45 and 64,413.10

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Solution

The fourth proportional to 99,664.30, 149,496.45 and 64,413.10 is: 96,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,664.30 : 149,496.45 = 64,413.10 : x
  2. Step 2: Convert to fraction form
    99,664.30/149,496.45 = 64,413.10/x
  3. Step 3: Cross multiply
    99,664.30x = 149,496.45 × 64,413.10
  4. Step 4: Simplify right side
    99,664.30x = 9,629,529,783.50
  5. Step 5: Solve for x
    x = 9,629,529,783.50/99,664.30
  6. Step 6: Final answer
    x = 96,619.65

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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.