Home / 145,529.82-200,829.24-81,867.60

Finding the Fourth Proportional to 145,529.82, 200,829.24 and 81,867.60

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Solution

The fourth proportional to 145,529.82, 200,829.24 and 81,867.60 is: 112,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,529.82 : 200,829.24 = 81,867.60 : x
  2. Step 2: Convert to fraction form
    145,529.82/200,829.24 = 81,867.60/x
  3. Step 3: Cross multiply
    145,529.82x = 200,829.24 × 81,867.60
  4. Step 4: Simplify right side
    145,529.82x = 16,441,407,888.62
  5. Step 5: Solve for x
    x = 16,441,407,888.62/145,529.82
  6. Step 6: Final answer
    x = 112,976.21

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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.