Home / 141,014.04-211,302.36-81,702.60

Finding the Fourth Proportional to 141,014.04, 211,302.36 and 81,702.60

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Solution

The fourth proportional to 141,014.04, 211,302.36 and 81,702.60 is: 122,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,014.04 : 211,302.36 = 81,702.60 : x
  2. Step 2: Convert to fraction form
    141,014.04/211,302.36 = 81,702.60/x
  3. Step 3: Cross multiply
    141,014.04x = 211,302.36 × 81,702.60
  4. Step 4: Simplify right side
    141,014.04x = 17,263,952,198.14
  5. Step 5: Solve for x
    x = 17,263,952,198.14/141,014.04
  6. Step 6: Final answer
    x = 122,427.19

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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.