Home / 143,145.02-214,650.90-53,125.02

Finding the Fourth Proportional to 143,145.02, 214,650.90 and 53,125.02

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Solution

The fourth proportional to 143,145.02, 214,650.90 and 53,125.02 is: 79,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,145.02 : 214,650.90 = 53,125.02 : x
  2. Step 2: Convert to fraction form
    143,145.02/214,650.90 = 53,125.02/x
  3. Step 3: Cross multiply
    143,145.02x = 214,650.90 × 53,125.02
  4. Step 4: Simplify right side
    143,145.02x = 11,403,333,355.52
  5. Step 5: Solve for x
    x = 11,403,333,355.52/143,145.02
  6. Step 6: Final answer
    x = 79,662.80

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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.