Home / 209,936.16-289,690.92-118,045.68

Finding the Fourth Proportional to 209,936.16, 289,690.92 and 118,045.68

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Solution

The fourth proportional to 209,936.16, 289,690.92 and 118,045.68 is: 162,891.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,936.16 : 289,690.92 = 118,045.68 : x
  2. Step 2: Convert to fraction form
    209,936.16/289,690.92 = 118,045.68/x
  3. Step 3: Cross multiply
    209,936.16x = 289,690.92 × 118,045.68
  4. Step 4: Simplify right side
    209,936.16x = 34,196,761,641.23
  5. Step 5: Solve for x
    x = 34,196,761,641.23/209,936.16
  6. Step 6: Final answer
    x = 162,891.24

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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.