Home / 199,403.29-275,169.83-118,789.07

Finding the Fourth Proportional to 199,403.29, 275,169.83 and 118,789.07

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Solution

The fourth proportional to 199,403.29, 275,169.83 and 118,789.07 is: 163,924.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,403.29 : 275,169.83 = 118,789.07 : x
  2. Step 2: Convert to fraction form
    199,403.29/275,169.83 = 118,789.07/x
  3. Step 3: Cross multiply
    199,403.29x = 275,169.83 × 118,789.07
  4. Step 4: Simplify right side
    199,403.29x = 32,687,167,603.81
  5. Step 5: Solve for x
    x = 32,687,167,603.81/199,403.29
  6. Step 6: Final answer
    x = 163,924.92

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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.