Home / 150,953.78-208,316.39-82,970.75

Finding the Fourth Proportional to 150,953.78, 208,316.39 and 82,970.75

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Solution

The fourth proportional to 150,953.78, 208,316.39 and 82,970.75 is: 114,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,953.78 : 208,316.39 = 82,970.75 : x
  2. Step 2: Convert to fraction form
    150,953.78/208,316.39 = 82,970.75/x
  3. Step 3: Cross multiply
    150,953.78x = 208,316.39 × 82,970.75
  4. Step 4: Simplify right side
    150,953.78x = 17,284,165,659.16
  5. Step 5: Solve for x
    x = 17,284,165,659.16/150,953.78
  6. Step 6: Final answer
    x = 114,499.72

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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.