Home / 214,110.90-320,859.15-157,509.30

Finding the Fourth Proportional to 214,110.90, 320,859.15 and 157,509.30

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Solution

The fourth proportional to 214,110.90, 320,859.15 and 157,509.30 is: 236,037.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,110.90 : 320,859.15 = 157,509.30 : x
  2. Step 2: Convert to fraction form
    214,110.90/320,859.15 = 157,509.30/x
  3. Step 3: Cross multiply
    214,110.90x = 320,859.15 × 157,509.30
  4. Step 4: Simplify right side
    214,110.90x = 50,538,300,115.10
  5. Step 5: Solve for x
    x = 50,538,300,115.10/214,110.90
  6. Step 6: Final answer
    x = 236,037.96

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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.