Home / 155,993.84-215,218.08-127,263.44

Finding the Fourth Proportional to 155,993.84, 215,218.08 and 127,263.44

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Solution

The fourth proportional to 155,993.84, 215,218.08 and 127,263.44 is: 175,579.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,993.84 : 215,218.08 = 127,263.44 : x
  2. Step 2: Convert to fraction form
    155,993.84/215,218.08 = 127,263.44/x
  3. Step 3: Cross multiply
    155,993.84x = 215,218.08 × 127,263.44
  4. Step 4: Simplify right side
    155,993.84x = 27,389,393,211.00
  5. Step 5: Solve for x
    x = 27,389,393,211.00/155,993.84
  6. Step 6: Final answer
    x = 175,579.97

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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.