Home / 140,043.84-210,077.63-61,213.43

Finding the Fourth Proportional to 140,043.84, 210,077.63 and 61,213.43

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Solution

The fourth proportional to 140,043.84, 210,077.63 and 61,213.43 is: 91,825.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,043.84 : 210,077.63 = 61,213.43 : x
  2. Step 2: Convert to fraction form
    140,043.84/210,077.63 = 61,213.43/x
  3. Step 3: Cross multiply
    140,043.84x = 210,077.63 × 61,213.43
  4. Step 4: Simplify right side
    140,043.84x = 12,859,570,942.12
  5. Step 5: Solve for x
    x = 12,859,570,942.12/140,043.84
  6. Step 6: Final answer
    x = 91,825.32

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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.