Home / 155,174.72-214,206.24-136,512.32

Finding the Fourth Proportional to 155,174.72, 214,206.24 and 136,512.32

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Solution

The fourth proportional to 155,174.72, 214,206.24 and 136,512.32 is: 188,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,174.72 : 214,206.24 = 136,512.32 : x
  2. Step 2: Convert to fraction form
    155,174.72/214,206.24 = 136,512.32/x
  3. Step 3: Cross multiply
    155,174.72x = 214,206.24 × 136,512.32
  4. Step 4: Simplify right side
    155,174.72x = 29,241,790,780.88
  5. Step 5: Solve for x
    x = 29,241,790,780.88/155,174.72
  6. Step 6: Final answer
    x = 188,444.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.