Home / 141,028.70-211,344.14-77,877.25

Finding the Fourth Proportional to 141,028.70, 211,344.14 and 77,877.25

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Solution

The fourth proportional to 141,028.70, 211,344.14 and 77,877.25 is: 116,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,028.70 : 211,344.14 = 77,877.25 : x
  2. Step 2: Convert to fraction form
    141,028.70/211,344.14 = 77,877.25/x
  3. Step 3: Cross multiply
    141,028.70x = 211,344.14 × 77,877.25
  4. Step 4: Simplify right side
    141,028.70x = 16,458,898,980.71
  5. Step 5: Solve for x
    x = 16,458,898,980.71/141,028.70
  6. Step 6: Final answer
    x = 116,706.03

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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.