Home / 102,161.04-140,938.92-62,394

Finding the Fourth Proportional to 102,161.04, 140,938.92 and 62,394

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Solution

The fourth proportional to 102,161.04, 140,938.92 and 62,394 is: 86,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,161.04 : 140,938.92 = 62,394 : x
  2. Step 2: Convert to fraction form
    102,161.04/140,938.92 = 62,394/x
  3. Step 3: Cross multiply
    102,161.04x = 140,938.92 × 62,394
  4. Step 4: Simplify right side
    102,161.04x = 8,793,742,974.48
  5. Step 5: Solve for x
    x = 8,793,742,974.48/102,161.04
  6. Step 6: Final answer
    x = 86,077.27

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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.