Home / 141,338.20-212,007.30-102,170.20

Finding the Fourth Proportional to 141,338.20, 212,007.30 and 102,170.20

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Solution

The fourth proportional to 141,338.20, 212,007.30 and 102,170.20 is: 153,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,338.20 : 212,007.30 = 102,170.20 : x
  2. Step 2: Convert to fraction form
    141,338.20/212,007.30 = 102,170.20/x
  3. Step 3: Cross multiply
    141,338.20x = 212,007.30 × 102,170.20
  4. Step 4: Simplify right side
    141,338.20x = 21,660,828,242.46
  5. Step 5: Solve for x
    x = 21,660,828,242.46/141,338.20
  6. Step 6: Final answer
    x = 153,255.30

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1.5x scale

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.