Home / 219,756.43-329,634.65-79,482.25

Finding the Fourth Proportional to 219,756.43, 329,634.65 and 79,482.25

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Solution

The fourth proportional to 219,756.43, 329,634.65 and 79,482.25 is: 119,223.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,756.43 : 329,634.65 = 79,482.25 : x
  2. Step 2: Convert to fraction form
    219,756.43/329,634.65 = 79,482.25/x
  3. Step 3: Cross multiply
    219,756.43x = 329,634.65 × 79,482.25
  4. Step 4: Simplify right side
    219,756.43x = 26,200,103,659.96
  5. Step 5: Solve for x
    x = 26,200,103,659.96/219,756.43
  6. Step 6: Final answer
    x = 119,223.38

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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.