Home / 104,103.57-143,663.24-56,356.80

Finding the Fourth Proportional to 104,103.57, 143,663.24 and 56,356.80

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Solution

The fourth proportional to 104,103.57, 143,663.24 and 56,356.80 is: 77,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,103.57 : 143,663.24 = 56,356.80 : x
  2. Step 2: Convert to fraction form
    104,103.57/143,663.24 = 56,356.80/x
  3. Step 3: Cross multiply
    104,103.57x = 143,663.24 × 56,356.80
  4. Step 4: Simplify right side
    104,103.57x = 8,096,400,202.25
  5. Step 5: Solve for x
    x = 8,096,400,202.25/104,103.57
  6. Step 6: Final answer
    x = 77,772.55

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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.