Home / 155,896.25-215,137.37-84,276.27

Finding the Fourth Proportional to 155,896.25, 215,137.37 and 84,276.27

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Solution

The fourth proportional to 155,896.25, 215,137.37 and 84,276.27 is: 116,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,896.25 : 215,137.37 = 84,276.27 : x
  2. Step 2: Convert to fraction form
    155,896.25/215,137.37 = 84,276.27/x
  3. Step 3: Cross multiply
    155,896.25x = 215,137.37 × 84,276.27
  4. Step 4: Simplify right side
    155,896.25x = 18,130,975,422.92
  5. Step 5: Solve for x
    x = 18,130,975,422.92/155,896.25
  6. Step 6: Final answer
    x = 116,301.55

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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.