Home / 105,371.90-145,414.37-57,624.22

Finding the Fourth Proportional to 105,371.90, 145,414.37 and 57,624.22

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Solution

The fourth proportional to 105,371.90, 145,414.37 and 57,624.22 is: 79,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,371.90 : 145,414.37 = 57,624.22 : x
  2. Step 2: Convert to fraction form
    105,371.90/145,414.37 = 57,624.22/x
  3. Step 3: Cross multiply
    105,371.90x = 145,414.37 × 57,624.22
  4. Step 4: Simplify right side
    105,371.90x = 8,379,389,359.92
  5. Step 5: Solve for x
    x = 8,379,389,359.92/105,371.90
  6. Step 6: Final answer
    x = 79,522.05

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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.