Home / 117,887.54-162,679.72-64,172.46

Finding the Fourth Proportional to 117,887.54, 162,679.72 and 64,172.46

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Solution

The fourth proportional to 117,887.54, 162,679.72 and 64,172.46 is: 88,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,887.54 : 162,679.72 = 64,172.46 : x
  2. Step 2: Convert to fraction form
    117,887.54/162,679.72 = 64,172.46/x
  3. Step 3: Cross multiply
    117,887.54x = 162,679.72 × 64,172.46
  4. Step 4: Simplify right side
    117,887.54x = 10,439,557,756.43
  5. Step 5: Solve for x
    x = 10,439,557,756.43/117,887.54
  6. Step 6: Final answer
    x = 88,555.23

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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.