Home / 141,199.20-194,929.20-87,458.40

Finding the Fourth Proportional to 141,199.20, 194,929.20 and 87,458.40

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Solution

The fourth proportional to 141,199.20, 194,929.20 and 87,458.40 is: 120,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,199.20 : 194,929.20 = 87,458.40 : x
  2. Step 2: Convert to fraction form
    141,199.20/194,929.20 = 87,458.40/x
  3. Step 3: Cross multiply
    141,199.20x = 194,929.20 × 87,458.40
  4. Step 4: Simplify right side
    141,199.20x = 17,048,195,945.28
  5. Step 5: Solve for x
    x = 17,048,195,945.28/141,199.20
  6. Step 6: Final answer
    x = 120,738.62

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1.5x scale

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.