Home / 145,022.11-200,085.64-84,549.96

Finding the Fourth Proportional to 145,022.11, 200,085.64 and 84,549.96

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Solution

The fourth proportional to 145,022.11, 200,085.64 and 84,549.96 is: 116,652.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,022.11 : 200,085.64 = 84,549.96 : x
  2. Step 2: Convert to fraction form
    145,022.11/200,085.64 = 84,549.96/x
  3. Step 3: Cross multiply
    145,022.11x = 200,085.64 × 84,549.96
  4. Step 4: Simplify right side
    145,022.11x = 16,917,232,858.57
  5. Step 5: Solve for x
    x = 16,917,232,858.57/145,022.11
  6. Step 6: Final answer
    x = 116,652.78

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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.