Home / 118,829.08-163,979.94-71,054.20

Finding the Fourth Proportional to 118,829.08, 163,979.94 and 71,054.20

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Solution

The fourth proportional to 118,829.08, 163,979.94 and 71,054.20 is: 98,052.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,829.08 : 163,979.94 = 71,054.20 : x
  2. Step 2: Convert to fraction form
    118,829.08/163,979.94 = 71,054.20/x
  3. Step 3: Cross multiply
    118,829.08x = 163,979.94 × 71,054.20
  4. Step 4: Simplify right side
    118,829.08x = 11,651,463,452.75
  5. Step 5: Solve for x
    x = 11,651,463,452.75/118,829.08
  6. Step 6: Final answer
    x = 98,052.29

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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.