Home / 102,011.36-140,731.99-63,704.39

Finding the Fourth Proportional to 102,011.36, 140,731.99 and 63,704.39

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Solution

The fourth proportional to 102,011.36, 140,731.99 and 63,704.39 is: 87,884.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,011.36 : 140,731.99 = 63,704.39 : x
  2. Step 2: Convert to fraction form
    102,011.36/140,731.99 = 63,704.39/x
  3. Step 3: Cross multiply
    102,011.36x = 140,731.99 × 63,704.39
  4. Step 4: Simplify right side
    102,011.36x = 8,965,244,713.52
  5. Step 5: Solve for x
    x = 8,965,244,713.52/102,011.36
  6. Step 6: Final answer
    x = 87,884.77

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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.