Home / 140,234.72-210,444.21-51,489.09

Finding the Fourth Proportional to 140,234.72, 210,444.21 and 51,489.09

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Solution

The fourth proportional to 140,234.72, 210,444.21 and 51,489.09 is: 77,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,234.72 : 210,444.21 = 51,489.09 : x
  2. Step 2: Convert to fraction form
    140,234.72/210,444.21 = 51,489.09/x
  3. Step 3: Cross multiply
    140,234.72x = 210,444.21 × 51,489.09
  4. Step 4: Simplify right side
    140,234.72x = 10,835,580,868.67
  5. Step 5: Solve for x
    x = 10,835,580,868.67/140,234.72
  6. Step 6: Final answer
    x = 77,267.46

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1.5x scale

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.