Home / 213,983.19-295,296.79-118,489.89

Finding the Fourth Proportional to 213,983.19, 295,296.79 and 118,489.89

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Solution

The fourth proportional to 213,983.19, 295,296.79 and 118,489.89 is: 163,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,983.19 : 295,296.79 = 118,489.89 : x
  2. Step 2: Convert to fraction form
    213,983.19/295,296.79 = 118,489.89/x
  3. Step 3: Cross multiply
    213,983.19x = 295,296.79 × 118,489.89
  4. Step 4: Simplify right side
    213,983.19x = 34,989,683,536.72
  5. Step 5: Solve for x
    x = 34,989,683,536.72/213,983.19
  6. Step 6: Final answer
    x = 163,516.04

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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.