Home / 141,319.98-194,826.69-112,736.64

Finding the Fourth Proportional to 141,319.98, 194,826.69 and 112,736.64

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Solution

The fourth proportional to 141,319.98, 194,826.69 and 112,736.64 is: 155,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,319.98 : 194,826.69 = 112,736.64 : x
  2. Step 2: Convert to fraction form
    141,319.98/194,826.69 = 112,736.64/x
  3. Step 3: Cross multiply
    141,319.98x = 194,826.69 × 112,736.64
  4. Step 4: Simplify right side
    141,319.98x = 21,964,106,412.92
  5. Step 5: Solve for x
    x = 21,964,106,412.92/141,319.98
  6. Step 6: Final answer
    x = 155,421.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.