Home / 108,345.46-162,489.07-38,215.54

Finding the Fourth Proportional to 108,345.46, 162,489.07 and 38,215.54

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Solution

The fourth proportional to 108,345.46, 162,489.07 and 38,215.54 is: 57,313.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,345.46 : 162,489.07 = 38,215.54 : x
  2. Step 2: Convert to fraction form
    108,345.46/162,489.07 = 38,215.54/x
  3. Step 3: Cross multiply
    108,345.46x = 162,489.07 × 38,215.54
  4. Step 4: Simplify right side
    108,345.46x = 6,209,607,554.15
  5. Step 5: Solve for x
    x = 6,209,607,554.15/108,345.46
  6. Step 6: Final answer
    x = 57,313.04

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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.