Home / 102,466.44-141,450.90-72,276.36

Finding the Fourth Proportional to 102,466.44, 141,450.90 and 72,276.36

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Solution

The fourth proportional to 102,466.44, 141,450.90 and 72,276.36 is: 99,774.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,466.44 : 141,450.90 = 72,276.36 : x
  2. Step 2: Convert to fraction form
    102,466.44/141,450.90 = 72,276.36/x
  3. Step 3: Cross multiply
    102,466.44x = 141,450.90 × 72,276.36
  4. Step 4: Simplify right side
    102,466.44x = 10,223,556,170.72
  5. Step 5: Solve for x
    x = 10,223,556,170.72/102,466.44
  6. Step 6: Final answer
    x = 99,774.68

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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.