Home / 141,028.54-211,343.93-77,877.10

Finding the Fourth Proportional to 141,028.54, 211,343.93 and 77,877.10

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Solution

The fourth proportional to 141,028.54, 211,343.93 and 77,877.10 is: 116,705.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,028.54 : 211,343.93 = 77,877.10 : x
  2. Step 2: Convert to fraction form
    141,028.54/211,343.93 = 77,877.10/x
  3. Step 3: Cross multiply
    141,028.54x = 211,343.93 × 77,877.10
  4. Step 4: Simplify right side
    141,028.54x = 16,458,851,787.09
  5. Step 5: Solve for x
    x = 16,458,851,787.09/141,028.54
  6. Step 6: Final answer
    x = 116,705.82

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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.