Home / 108,838.08-150,245.28-66,413.52

Finding the Fourth Proportional to 108,838.08, 150,245.28 and 66,413.52

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Solution

The fourth proportional to 108,838.08, 150,245.28 and 66,413.52 is: 91,680.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,838.08 : 150,245.28 = 66,413.52 : x
  2. Step 2: Convert to fraction form
    108,838.08/150,245.28 = 66,413.52/x
  3. Step 3: Cross multiply
    108,838.08x = 150,245.28 × 66,413.52
  4. Step 4: Simplify right side
    108,838.08x = 9,978,317,908.19
  5. Step 5: Solve for x
    x = 9,978,317,908.19/108,838.08
  6. Step 6: Final answer
    x = 91,680.39

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1.5x scale

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.