Home / 143,122.61-214,739.91-43,292.88

Finding the Fourth Proportional to 143,122.61, 214,739.91 and 43,292.88

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Solution

The fourth proportional to 143,122.61, 214,739.91 and 43,292.88 is: 64,956.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,122.61 : 214,739.91 = 43,292.88 : x
  2. Step 2: Convert to fraction form
    143,122.61/214,739.91 = 43,292.88/x
  3. Step 3: Cross multiply
    143,122.61x = 214,739.91 × 43,292.88
  4. Step 4: Simplify right side
    143,122.61x = 9,296,709,154.84
  5. Step 5: Solve for x
    x = 9,296,709,154.84/143,122.61
  6. Step 6: Final answer
    x = 64,956.26

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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.