Home / 104,217.48-143,869.72-69,821.44

Finding the Fourth Proportional to 104,217.48, 143,869.72 and 69,821.44

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Solution

The fourth proportional to 104,217.48, 143,869.72 and 69,821.44 is: 96,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,217.48 : 143,869.72 = 69,821.44 : x
  2. Step 2: Convert to fraction form
    104,217.48/143,869.72 = 69,821.44/x
  3. Step 3: Cross multiply
    104,217.48x = 143,869.72 × 69,821.44
  4. Step 4: Simplify right side
    104,217.48x = 10,045,191,022.80
  5. Step 5: Solve for x
    x = 10,045,191,022.80/104,217.48
  6. Step 6: Final answer
    x = 96,386.82

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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.