Home / 87,256.09-130,887.88-27,285.70

Finding the Fourth Proportional to 87,256.09, 130,887.88 and 27,285.70

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Solution

The fourth proportional to 87,256.09, 130,887.88 and 27,285.70 is: 40,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,256.09 : 130,887.88 = 27,285.70 : x
  2. Step 2: Convert to fraction form
    87,256.09/130,887.88 = 27,285.70/x
  3. Step 3: Cross multiply
    87,256.09x = 130,887.88 × 27,285.70
  4. Step 4: Simplify right side
    87,256.09x = 3,571,366,772.88
  5. Step 5: Solve for x
    x = 3,571,366,772.88/87,256.09
  6. Step 6: Final answer
    x = 40,929.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.