Home / 103,665.52-143,057.06-58,343.56

Finding the Fourth Proportional to 103,665.52, 143,057.06 and 58,343.56

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Solution

The fourth proportional to 103,665.52, 143,057.06 and 58,343.56 is: 80,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,665.52 : 143,057.06 = 58,343.56 : x
  2. Step 2: Convert to fraction form
    103,665.52/143,057.06 = 58,343.56/x
  3. Step 3: Cross multiply
    103,665.52x = 143,057.06 × 58,343.56
  4. Step 4: Simplify right side
    103,665.52x = 8,346,458,163.53
  5. Step 5: Solve for x
    x = 8,346,458,163.53/103,665.52
  6. Step 6: Final answer
    x = 80,513.35

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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.