Home / 117,520.42-162,173.76-63,804.30

Finding the Fourth Proportional to 117,520.42, 162,173.76 and 63,804.30

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Solution

The fourth proportional to 117,520.42, 162,173.76 and 63,804.30 is: 88,047.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,520.42 : 162,173.76 = 63,804.30 : x
  2. Step 2: Convert to fraction form
    117,520.42/162,173.76 = 63,804.30/x
  3. Step 3: Cross multiply
    117,520.42x = 162,173.76 × 63,804.30
  4. Step 4: Simplify right side
    117,520.42x = 10,347,383,235.17
  5. Step 5: Solve for x
    x = 10,347,383,235.17/117,520.42
  6. Step 6: Final answer
    x = 88,047.53

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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.