Home / 103,206.87-142,466.00-69,202.94

Finding the Fourth Proportional to 103,206.87, 142,466.00 and 69,202.94

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Solution

The fourth proportional to 103,206.87, 142,466.00 and 69,202.94 is: 95,527.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,206.87 : 142,466.00 = 69,202.94 : x
  2. Step 2: Convert to fraction form
    103,206.87/142,466.00 = 69,202.94/x
  3. Step 3: Cross multiply
    103,206.87x = 142,466.00 × 69,202.94
  4. Step 4: Simplify right side
    103,206.87x = 9,859,064,991.70
  5. Step 5: Solve for x
    x = 9,859,064,991.70/103,206.87
  6. Step 6: Final answer
    x = 95,527.22

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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.