Home / 105,231.01-145,221.99-57,487.44

Finding the Fourth Proportional to 105,231.01, 145,221.99 and 57,487.44

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Solution

The fourth proportional to 105,231.01, 145,221.99 and 57,487.44 is: 79,334.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,231.01 : 145,221.99 = 57,487.44 : x
  2. Step 2: Convert to fraction form
    105,231.01/145,221.99 = 57,487.44/x
  3. Step 3: Cross multiply
    105,231.01x = 145,221.99 × 57,487.44
  4. Step 4: Simplify right side
    105,231.01x = 8,348,440,436.81
  5. Step 5: Solve for x
    x = 8,348,440,436.81/105,231.01
  6. Step 6: Final answer
    x = 79,334.41

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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.