Home / 145,606.92-200,937.51-81,945.06

Finding the Fourth Proportional to 145,606.92, 200,937.51 and 81,945.06

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Solution

The fourth proportional to 145,606.92, 200,937.51 and 81,945.06 is: 113,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,606.92 : 200,937.51 = 81,945.06 : x
  2. Step 2: Convert to fraction form
    145,606.92/200,937.51 = 81,945.06/x
  3. Step 3: Cross multiply
    145,606.92x = 200,937.51 × 81,945.06
  4. Step 4: Simplify right side
    145,606.92x = 16,465,836,313.20
  5. Step 5: Solve for x
    x = 16,465,836,313.20/145,606.92
  6. Step 6: Final answer
    x = 113,084.16

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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.