Home / 141,006.85-211,399.34-69,880.59

Finding the Fourth Proportional to 141,006.85, 211,399.34 and 69,880.59

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Solution

The fourth proportional to 141,006.85, 211,399.34 and 69,880.59 is: 104,765.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,006.85 : 211,399.34 = 69,880.59 : x
  2. Step 2: Convert to fraction form
    141,006.85/211,399.34 = 69,880.59/x
  3. Step 3: Cross multiply
    141,006.85x = 211,399.34 × 69,880.59
  4. Step 4: Simplify right side
    141,006.85x = 14,772,710,255.41
  5. Step 5: Solve for x
    x = 14,772,710,255.41/141,006.85
  6. Step 6: Final answer
    x = 104,765.91

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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.