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Finding the Fourth Proportional to 184,285, 254,326.02 and 103,720.12

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Solution

The fourth proportional to 184,285, 254,326.02 and 103,720.12 is: 143,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,285 : 254,326.02 = 103,720.12 : x
  2. Step 2: Convert to fraction form
    184,285/254,326.02 = 103,720.12/x
  3. Step 3: Cross multiply
    184,285x = 254,326.02 × 103,720.12
  4. Step 4: Simplify right side
    184,285x = 26,378,725,313.52
  5. Step 5: Solve for x
    x = 26,378,725,313.52/184,285
  6. Step 6: Final answer
    x = 143,140.92

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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.