Home / 117,685.44-162,406.20-63,970.36

Finding the Fourth Proportional to 117,685.44, 162,406.20 and 63,970.36

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Solution

The fourth proportional to 117,685.44, 162,406.20 and 63,970.36 is: 88,279.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,685.44 : 162,406.20 = 63,970.36 : x
  2. Step 2: Convert to fraction form
    117,685.44/162,406.20 = 63,970.36/x
  3. Step 3: Cross multiply
    117,685.44x = 162,406.20 × 63,970.36
  4. Step 4: Simplify right side
    117,685.44x = 10,389,183,080.23
  5. Step 5: Solve for x
    x = 10,389,183,080.23/117,685.44
  6. Step 6: Final answer
    x = 88,279.26

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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.