Home / 141,018.05-211,421.88-84,845.00

Finding the Fourth Proportional to 141,018.05, 211,421.88 and 84,845.00

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Solution

The fourth proportional to 141,018.05, 211,421.88 and 84,845.00 is: 127,204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,018.05 : 211,421.88 = 84,845.00 : x
  2. Step 2: Convert to fraction form
    141,018.05/211,421.88 = 84,845.00/x
  3. Step 3: Cross multiply
    141,018.05x = 211,421.88 × 84,845.00
  4. Step 4: Simplify right side
    141,018.05x = 17,938,089,937.15
  5. Step 5: Solve for x
    x = 17,938,089,937.15/141,018.05
  6. Step 6: Final answer
    x = 127,204.21

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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.