Home / 281,124.46-421,416.03-103,534.58

Finding the Fourth Proportional to 281,124.46, 421,416.03 and 103,534.58

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Solution

The fourth proportional to 281,124.46, 421,416.03 and 103,534.58 is: 155,202.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,124.46 : 421,416.03 = 103,534.58 : x
  2. Step 2: Convert to fraction form
    281,124.46/421,416.03 = 103,534.58/x
  3. Step 3: Cross multiply
    281,124.46x = 421,416.03 × 103,534.58
  4. Step 4: Simplify right side
    281,124.46x = 43,631,131,671.32
  5. Step 5: Solve for x
    x = 43,631,131,671.32/281,124.46
  6. Step 6: Final answer
    x = 155,202.19

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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.