Home / 141,089.06-211,702.79-66,215.29

Finding the Fourth Proportional to 141,089.06, 211,702.79 and 66,215.29

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Solution

The fourth proportional to 141,089.06, 211,702.79 and 66,215.29 is: 99,355.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,089.06 : 211,702.79 = 66,215.29 : x
  2. Step 2: Convert to fraction form
    141,089.06/211,702.79 = 66,215.29/x
  3. Step 3: Cross multiply
    141,089.06x = 211,702.79 × 66,215.29
  4. Step 4: Simplify right side
    141,089.06x = 14,017,961,633.66
  5. Step 5: Solve for x
    x = 14,017,961,633.66/141,089.06
  6. Step 6: Final answer
    x = 99,355.41

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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.