Home / 104,217.30-143,813.07-66,487.50

Finding the Fourth Proportional to 104,217.30, 143,813.07 and 66,487.50

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Solution

The fourth proportional to 104,217.30, 143,813.07 and 66,487.50 is: 91,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,217.30 : 143,813.07 = 66,487.50 : x
  2. Step 2: Convert to fraction form
    104,217.30/143,813.07 = 66,487.50/x
  3. Step 3: Cross multiply
    104,217.30x = 143,813.07 × 66,487.50
  4. Step 4: Simplify right side
    104,217.30x = 9,561,771,491.63
  5. Step 5: Solve for x
    x = 9,561,771,491.63/104,217.30
  6. Step 6: Final answer
    x = 91,748.41

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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.