Home / 199,403.54-275,170.17-118,789.32

Finding the Fourth Proportional to 199,403.54, 275,170.17 and 118,789.32

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Solution

The fourth proportional to 199,403.54, 275,170.17 and 118,789.32 is: 163,925.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,403.54 : 275,170.17 = 118,789.32 : x
  2. Step 2: Convert to fraction form
    199,403.54/275,170.17 = 118,789.32/x
  3. Step 3: Cross multiply
    199,403.54x = 275,170.17 × 118,789.32
  4. Step 4: Simplify right side
    199,403.54x = 32,687,277,378.58
  5. Step 5: Solve for x
    x = 32,687,277,378.58/199,403.54
  6. Step 6: Final answer
    x = 163,925.26

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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.