Home / 213,638.04-294,703.31-137,071.64

Finding the Fourth Proportional to 213,638.04, 294,703.31 and 137,071.64

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Solution

The fourth proportional to 213,638.04, 294,703.31 and 137,071.64 is: 189,083.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,638.04 : 294,703.31 = 137,071.64 : x
  2. Step 2: Convert to fraction form
    213,638.04/294,703.31 = 137,071.64/x
  3. Step 3: Cross multiply
    213,638.04x = 294,703.31 × 137,071.64
  4. Step 4: Simplify right side
    213,638.04x = 40,395,467,094.57
  5. Step 5: Solve for x
    x = 40,395,467,094.57/213,638.04
  6. Step 6: Final answer
    x = 189,083.68

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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.