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Finding the Fourth Proportional to 100,038.30, 150,166.80 and 62,640.60

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Solution

The fourth proportional to 100,038.30, 150,166.80 and 62,640.60 is: 94,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,038.30 : 150,166.80 = 62,640.60 : x
  2. Step 2: Convert to fraction form
    100,038.30/150,166.80 = 62,640.60/x
  3. Step 3: Cross multiply
    100,038.30x = 150,166.80 × 62,640.60
  4. Step 4: Simplify right side
    100,038.30x = 9,406,538,452.08
  5. Step 5: Solve for x
    x = 9,406,538,452.08/100,038.30
  6. Step 6: Final answer
    x = 94,029.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.