Home / 103,643.73-143,028.96-58,322.47

Finding the Fourth Proportional to 103,643.73, 143,028.96 and 58,322.47

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Solution

The fourth proportional to 103,643.73, 143,028.96 and 58,322.47 is: 80,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,643.73 : 143,028.96 = 58,322.47 : x
  2. Step 2: Convert to fraction form
    103,643.73/143,028.96 = 58,322.47/x
  3. Step 3: Cross multiply
    103,643.73x = 143,028.96 × 58,322.47
  4. Step 4: Simplify right side
    103,643.73x = 8,341,802,228.73
  5. Step 5: Solve for x
    x = 8,341,802,228.73/103,643.73
  6. Step 6: Final answer
    x = 80,485.35

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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.