Home / 345,881.26-518,837.44-105,977.59

Finding the Fourth Proportional to 345,881.26, 518,837.44 and 105,977.59

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Solution

The fourth proportional to 345,881.26, 518,837.44 and 105,977.59 is: 158,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,881.26 : 518,837.44 = 105,977.59 : x
  2. Step 2: Convert to fraction form
    345,881.26/518,837.44 = 105,977.59/x
  3. Step 3: Cross multiply
    345,881.26x = 518,837.44 × 105,977.59
  4. Step 4: Simplify right side
    345,881.26x = 54,985,141,492.97
  5. Step 5: Solve for x
    x = 54,985,141,492.97/345,881.26
  6. Step 6: Final answer
    x = 158,971.15

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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.