Home / 117,943.20-162,817.20-69,530.28

Finding the Fourth Proportional to 117,943.20, 162,817.20 and 69,530.28

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Solution

The fourth proportional to 117,943.20, 162,817.20 and 69,530.28 is: 95,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,943.20 : 162,817.20 = 69,530.28 : x
  2. Step 2: Convert to fraction form
    117,943.20/162,817.20 = 69,530.28/x
  3. Step 3: Cross multiply
    117,943.20x = 162,817.20 × 69,530.28
  4. Step 4: Simplify right side
    117,943.20x = 11,320,725,504.82
  5. Step 5: Solve for x
    x = 11,320,725,504.82/117,943.20
  6. Step 6: Final answer
    x = 95,984.55

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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.