Home / 281,113.22-421,726.27-103,621.14

Finding the Fourth Proportional to 281,113.22, 421,726.27 and 103,621.14

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Solution

The fourth proportional to 281,113.22, 421,726.27 and 103,621.14 is: 155,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,113.22 : 421,726.27 = 103,621.14 : x
  2. Step 2: Convert to fraction form
    281,113.22/421,726.27 = 103,621.14/x
  3. Step 3: Cross multiply
    281,113.22x = 421,726.27 × 103,621.14
  4. Step 4: Simplify right side
    281,113.22x = 43,699,756,865.35
  5. Step 5: Solve for x
    x = 43,699,756,865.35/281,113.22
  6. Step 6: Final answer
    x = 155,452.51

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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.