Home / 256,022.26-384,033.59-87,543.86

Finding the Fourth Proportional to 256,022.26, 384,033.59 and 87,543.86

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Solution

The fourth proportional to 256,022.26, 384,033.59 and 87,543.86 is: 131,315.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,022.26 : 384,033.59 = 87,543.86 : x
  2. Step 2: Convert to fraction form
    256,022.26/384,033.59 = 87,543.86/x
  3. Step 3: Cross multiply
    256,022.26x = 384,033.59 × 87,543.86
  4. Step 4: Simplify right side
    256,022.26x = 33,619,782,838.26
  5. Step 5: Solve for x
    x = 33,619,782,838.26/256,022.26
  6. Step 6: Final answer
    x = 131,315.86

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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.