Home / 145,775.56-201,171.54-82,100.92

Finding the Fourth Proportional to 145,775.56, 201,171.54 and 82,100.92

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Solution

The fourth proportional to 145,775.56, 201,171.54 and 82,100.92 is: 113,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,775.56 : 201,171.54 = 82,100.92 : x
  2. Step 2: Convert to fraction form
    145,775.56/201,171.54 = 82,100.92/x
  3. Step 3: Cross multiply
    145,775.56x = 201,171.54 × 82,100.92
  4. Step 4: Simplify right side
    145,775.56x = 16,516,368,511.82
  5. Step 5: Solve for x
    x = 16,516,368,511.82/145,775.56
  6. Step 6: Final answer
    x = 113,299.98

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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.