Home / 141,459.09-212,040.41-57,279.03

Finding the Fourth Proportional to 141,459.09, 212,040.41 and 57,279.03

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Solution

The fourth proportional to 141,459.09, 212,040.41 and 57,279.03 is: 85,858.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,459.09 : 212,040.41 = 57,279.03 : x
  2. Step 2: Convert to fraction form
    141,459.09/212,040.41 = 57,279.03/x
  3. Step 3: Cross multiply
    141,459.09x = 212,040.41 × 57,279.03
  4. Step 4: Simplify right side
    141,459.09x = 12,145,468,719.21
  5. Step 5: Solve for x
    x = 12,145,468,719.21/141,459.09
  6. Step 6: Final answer
    x = 85,858.52

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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.