Home / 83,190.90-124,835.76-30,637.26

Finding the Fourth Proportional to 83,190.90, 124,835.76 and 30,637.26

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Solution

The fourth proportional to 83,190.90, 124,835.76 and 30,637.26 is: 45,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,190.90 : 124,835.76 = 30,637.26 : x
  2. Step 2: Convert to fraction form
    83,190.90/124,835.76 = 30,637.26/x
  3. Step 3: Cross multiply
    83,190.90x = 124,835.76 × 30,637.26
  4. Step 4: Simplify right side
    83,190.90x = 3,824,625,636.42
  5. Step 5: Solve for x
    x = 3,824,625,636.42/83,190.90
  6. Step 6: Final answer
    x = 45,974.09

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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.