Home / 102,363.44-141,291.96-64,662.80

Finding the Fourth Proportional to 102,363.44, 141,291.96 and 64,662.80

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Solution

The fourth proportional to 102,363.44, 141,291.96 and 64,662.80 is: 89,253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,363.44 : 141,291.96 = 64,662.80 : x
  2. Step 2: Convert to fraction form
    102,363.44/141,291.96 = 64,662.80/x
  3. Step 3: Cross multiply
    102,363.44x = 141,291.96 × 64,662.80
  4. Step 4: Simplify right side
    102,363.44x = 9,136,333,751.09
  5. Step 5: Solve for x
    x = 9,136,333,751.09/102,363.44
  6. Step 6: Final answer
    x = 89,253.88

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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.