Home / 116,486.32-174,728.08-82,150.72

Finding the Fourth Proportional to 116,486.32, 174,728.08 and 82,150.72

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Solution

The fourth proportional to 116,486.32, 174,728.08 and 82,150.72 is: 123,225.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,486.32 : 174,728.08 = 82,150.72 : x
  2. Step 2: Convert to fraction form
    116,486.32/174,728.08 = 82,150.72/x
  3. Step 3: Cross multiply
    116,486.32x = 174,728.08 × 82,150.72
  4. Step 4: Simplify right side
    116,486.32x = 14,354,037,576.22
  5. Step 5: Solve for x
    x = 14,354,037,576.22/116,486.32
  6. Step 6: Final answer
    x = 123,225.09

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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.