Home / 140,396.82-210,408.93-61,425.06

Finding the Fourth Proportional to 140,396.82, 210,408.93 and 61,425.06

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Solution

The fourth proportional to 140,396.82, 210,408.93 and 61,425.06 is: 92,056.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,396.82 : 210,408.93 = 61,425.06 : x
  2. Step 2: Convert to fraction form
    140,396.82/210,408.93 = 61,425.06/x
  3. Step 3: Cross multiply
    140,396.82x = 210,408.93 × 61,425.06
  4. Step 4: Simplify right side
    140,396.82x = 12,924,381,149.79
  5. Step 5: Solve for x
    x = 12,924,381,149.79/140,396.82
  6. Step 6: Final answer
    x = 92,056.08

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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.