Home / 143,069.49-197,445.33-82,642.68

Finding the Fourth Proportional to 143,069.49, 197,445.33 and 82,642.68

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Solution

The fourth proportional to 143,069.49, 197,445.33 and 82,642.68 is: 114,052.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,069.49 : 197,445.33 = 82,642.68 : x
  2. Step 2: Convert to fraction form
    143,069.49/197,445.33 = 82,642.68/x
  3. Step 3: Cross multiply
    143,069.49x = 197,445.33 × 82,642.68
  4. Step 4: Simplify right side
    143,069.49x = 16,317,411,224.68
  5. Step 5: Solve for x
    x = 16,317,411,224.68/143,069.49
  6. Step 6: Final answer
    x = 114,052.35

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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.