Home / 144,935.64-200,011.14-81,273.24

Finding the Fourth Proportional to 144,935.64, 200,011.14 and 81,273.24

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Solution

The fourth proportional to 144,935.64, 200,011.14 and 81,273.24 is: 112,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,935.64 : 200,011.14 = 81,273.24 : x
  2. Step 2: Convert to fraction form
    144,935.64/200,011.14 = 81,273.24/x
  3. Step 3: Cross multiply
    144,935.64x = 200,011.14 × 81,273.24
  4. Step 4: Simplify right side
    144,935.64x = 16,255,553,383.89
  5. Step 5: Solve for x
    x = 16,255,553,383.89/144,935.64
  6. Step 6: Final answer
    x = 112,157.05

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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.