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Finding the Fourth Proportional to 144,953.28, 200,037.56 and 87,584.64

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Solution

The fourth proportional to 144,953.28, 200,037.56 and 87,584.64 is: 120,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,953.28 : 200,037.56 = 87,584.64 : x
  2. Step 2: Convert to fraction form
    144,953.28/200,037.56 = 87,584.64/x
  3. Step 3: Cross multiply
    144,953.28x = 200,037.56 × 87,584.64
  4. Step 4: Simplify right side
    144,953.28x = 17,520,217,679.08
  5. Step 5: Solve for x
    x = 17,520,217,679.08/144,953.28
  6. Step 6: Final answer
    x = 120,868.03

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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.