Home / 140,941.47-211,311.77-66,020.75

Finding the Fourth Proportional to 140,941.47, 211,311.77 and 66,020.75

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Solution

The fourth proportional to 140,941.47, 211,311.77 and 66,020.75 is: 98,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,941.47 : 211,311.77 = 66,020.75 : x
  2. Step 2: Convert to fraction form
    140,941.47/211,311.77 = 66,020.75/x
  3. Step 3: Cross multiply
    140,941.47x = 211,311.77 × 66,020.75
  4. Step 4: Simplify right side
    140,941.47x = 13,950,961,539.23
  5. Step 5: Solve for x
    x = 13,950,961,539.23/140,941.47
  6. Step 6: Final answer
    x = 98,984.08

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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.