Home / 151,086.24-208,546.56-103,321.44

Finding the Fourth Proportional to 151,086.24, 208,546.56 and 103,321.44

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Solution

The fourth proportional to 151,086.24, 208,546.56 and 103,321.44 is: 142,616.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,086.24 : 208,546.56 = 103,321.44 : x
  2. Step 2: Convert to fraction form
    151,086.24/208,546.56 = 103,321.44/x
  3. Step 3: Cross multiply
    151,086.24x = 208,546.56 × 103,321.44
  4. Step 4: Simplify right side
    151,086.24x = 21,547,330,886.25
  5. Step 5: Solve for x
    x = 21,547,330,886.25/151,086.24
  6. Step 6: Final answer
    x = 142,616.10

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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.