Home / 105,774.04-158,816.58-43,566.04

Finding the Fourth Proportional to 105,774.04, 158,816.58 and 43,566.04

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Solution

The fourth proportional to 105,774.04, 158,816.58 and 43,566.04 is: 65,413.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,774.04 : 158,816.58 = 43,566.04 : x
  2. Step 2: Convert to fraction form
    105,774.04/158,816.58 = 43,566.04/x
  3. Step 3: Cross multiply
    105,774.04x = 158,816.58 × 43,566.04
  4. Step 4: Simplify right side
    105,774.04x = 6,919,009,476.94
  5. Step 5: Solve for x
    x = 6,919,009,476.94/105,774.04
  6. Step 6: Final answer
    x = 65,413.12

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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.