Home / 141,635.80-212,584.92-71,564.32

Finding the Fourth Proportional to 141,635.80, 212,584.92 and 71,564.32

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Solution

The fourth proportional to 141,635.80, 212,584.92 and 71,564.32 is: 107,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,635.80 : 212,584.92 = 71,564.32 : x
  2. Step 2: Convert to fraction form
    141,635.80/212,584.92 = 71,564.32/x
  3. Step 3: Cross multiply
    141,635.80x = 212,584.92 × 71,564.32
  4. Step 4: Simplify right side
    141,635.80x = 15,213,495,242.05
  5. Step 5: Solve for x
    x = 15,213,495,242.05/141,635.80
  6. Step 6: Final answer
    x = 107,412.78

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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.