Home / 112,146.88-168,172.80-41,977.28

Finding the Fourth Proportional to 112,146.88, 168,172.80 and 41,977.28

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Solution

The fourth proportional to 112,146.88, 168,172.80 and 41,977.28 is: 62,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,146.88 : 168,172.80 = 41,977.28 : x
  2. Step 2: Convert to fraction form
    112,146.88/168,172.80 = 41,977.28/x
  3. Step 3: Cross multiply
    112,146.88x = 168,172.80 × 41,977.28
  4. Step 4: Simplify right side
    112,146.88x = 7,059,436,713.98
  5. Step 5: Solve for x
    x = 7,059,436,713.98/112,146.88
  6. Step 6: Final answer
    x = 62,948.13

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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.