Home / 135,683.10-203,488.20-46,963.80

Finding the Fourth Proportional to 135,683.10, 203,488.20 and 46,963.80

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Solution

The fourth proportional to 135,683.10, 203,488.20 and 46,963.80 is: 70,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,683.10 : 203,488.20 = 46,963.80 : x
  2. Step 2: Convert to fraction form
    135,683.10/203,488.20 = 46,963.80/x
  3. Step 3: Cross multiply
    135,683.10x = 203,488.20 × 46,963.80
  4. Step 4: Simplify right side
    135,683.10x = 9,556,579,127.16
  5. Step 5: Solve for x
    x = 9,556,579,127.16/135,683.10
  6. Step 6: Final answer
    x = 70,433.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.