Home / 140,347.45-210,520.87-56,127.30

Finding the Fourth Proportional to 140,347.45, 210,520.87 and 56,127.30

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Solution

The fourth proportional to 140,347.45, 210,520.87 and 56,127.30 is: 84,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,347.45 : 210,520.87 = 56,127.30 : x
  2. Step 2: Convert to fraction form
    140,347.45/210,520.87 = 56,127.30/x
  3. Step 3: Cross multiply
    140,347.45x = 210,520.87 × 56,127.30
  4. Step 4: Simplify right side
    140,347.45x = 11,815,967,096.98
  5. Step 5: Solve for x
    x = 11,815,967,096.98/140,347.45
  6. Step 6: Final answer
    x = 84,190.82

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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.