Home / 155,620.24-214,855.25-127,008.25

Finding the Fourth Proportional to 155,620.24, 214,855.25 and 127,008.25

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Solution

The fourth proportional to 155,620.24, 214,855.25 and 127,008.25 is: 175,352.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,620.24 : 214,855.25 = 127,008.25 : x
  2. Step 2: Convert to fraction form
    155,620.24/214,855.25 = 127,008.25/x
  3. Step 3: Cross multiply
    155,620.24x = 214,855.25 × 127,008.25
  4. Step 4: Simplify right side
    155,620.24x = 27,288,388,670.77
  5. Step 5: Solve for x
    x = 27,288,388,670.77/155,620.24
  6. Step 6: Final answer
    x = 175,352.44

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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.