Home / 141,030.90-211,546.35-131,189.40

Finding the Fourth Proportional to 141,030.90, 211,546.35 and 131,189.40

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Solution

The fourth proportional to 141,030.90, 211,546.35 and 131,189.40 is: 196,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,030.90 : 211,546.35 = 131,189.40 : x
  2. Step 2: Convert to fraction form
    141,030.90/211,546.35 = 131,189.40/x
  3. Step 3: Cross multiply
    141,030.90x = 211,546.35 × 131,189.40
  4. Step 4: Simplify right side
    141,030.90x = 27,752,638,728.69
  5. Step 5: Solve for x
    x = 27,752,638,728.69/141,030.90
  6. Step 6: Final answer
    x = 196,784.10

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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.