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Finding the Fourth Proportional to 201,751.20, 302,655.60 and 68,637.60

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Solution

The fourth proportional to 201,751.20, 302,655.60 and 68,637.60 is: 102,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,751.20 : 302,655.60 = 68,637.60 : x
  2. Step 2: Convert to fraction form
    201,751.20/302,655.60 = 68,637.60/x
  3. Step 3: Cross multiply
    201,751.20x = 302,655.60 × 68,637.60
  4. Step 4: Simplify right side
    201,751.20x = 20,773,554,010.56
  5. Step 5: Solve for x
    x = 20,773,554,010.56/201,751.20
  6. Step 6: Final answer
    x = 102,966.20

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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.