Home / 112,242.24-168,217.90-45,605.03

Finding the Fourth Proportional to 112,242.24, 168,217.90 and 45,605.03

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Solution

The fourth proportional to 112,242.24, 168,217.90 and 45,605.03 is: 68,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,242.24 : 168,217.90 = 45,605.03 : x
  2. Step 2: Convert to fraction form
    112,242.24/168,217.90 = 45,605.03/x
  3. Step 3: Cross multiply
    112,242.24x = 168,217.90 × 45,605.03
  4. Step 4: Simplify right side
    112,242.24x = 7,671,581,420.93
  5. Step 5: Solve for x
    x = 7,671,581,420.93/112,242.24
  6. Step 6: Final answer
    x = 68,348.43

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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.