Home / 117,907.47-162,715.23-64,195.41

Finding the Fourth Proportional to 117,907.47, 162,715.23 and 64,195.41

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Solution

The fourth proportional to 117,907.47, 162,715.23 and 64,195.41 is: 88,591.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,907.47 : 162,715.23 = 64,195.41 : x
  2. Step 2: Convert to fraction form
    117,907.47/162,715.23 = 64,195.41/x
  3. Step 3: Cross multiply
    117,907.47x = 162,715.23 × 64,195.41
  4. Step 4: Simplify right side
    117,907.47x = 10,445,570,903.09
  5. Step 5: Solve for x
    x = 10,445,570,903.09/117,907.47
  6. Step 6: Final answer
    x = 88,591.26

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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.