Home / 141,341.40-212,012.10-82,243.80

Finding the Fourth Proportional to 141,341.40, 212,012.10 and 82,243.80

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Solution

The fourth proportional to 141,341.40, 212,012.10 and 82,243.80 is: 123,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,341.40 : 212,012.10 = 82,243.80 : x
  2. Step 2: Convert to fraction form
    141,341.40/212,012.10 = 82,243.80/x
  3. Step 3: Cross multiply
    141,341.40x = 212,012.10 × 82,243.80
  4. Step 4: Simplify right side
    141,341.40x = 17,436,680,749.98
  5. Step 5: Solve for x
    x = 17,436,680,749.98/141,341.40
  6. Step 6: Final answer
    x = 123,365.70

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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.