Home / 141,209.98-211,916.94-81,966.58

Finding the Fourth Proportional to 141,209.98, 211,916.94 and 81,966.58

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Solution

The fourth proportional to 141,209.98, 211,916.94 and 81,966.58 is: 123,009.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,209.98 : 211,916.94 = 81,966.58 : x
  2. Step 2: Convert to fraction form
    141,209.98/211,916.94 = 81,966.58/x
  3. Step 3: Cross multiply
    141,209.98x = 211,916.94 × 81,966.58
  4. Step 4: Simplify right side
    141,209.98x = 17,370,106,815.87
  5. Step 5: Solve for x
    x = 17,370,106,815.87/141,209.98
  6. Step 6: Final answer
    x = 123,009.06

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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.