Home / 143,234.30-214,709.70-63,315.65

Finding the Fourth Proportional to 143,234.30, 214,709.70 and 63,315.65

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Solution

The fourth proportional to 143,234.30, 214,709.70 and 63,315.65 is: 94,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,234.30 : 214,709.70 = 63,315.65 : x
  2. Step 2: Convert to fraction form
    143,234.30/214,709.70 = 63,315.65/x
  3. Step 3: Cross multiply
    143,234.30x = 214,709.70 × 63,315.65
  4. Step 4: Simplify right side
    143,234.30x = 13,594,484,216.81
  5. Step 5: Solve for x
    x = 13,594,484,216.81/143,234.30
  6. Step 6: Final answer
    x = 94,910.82

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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.