Home / 108,390.45-162,587.05-38,220.56

Finding the Fourth Proportional to 108,390.45, 162,587.05 and 38,220.56

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Solution

The fourth proportional to 108,390.45, 162,587.05 and 38,220.56 is: 57,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,390.45 : 162,587.05 = 38,220.56 : x
  2. Step 2: Convert to fraction form
    108,390.45/162,587.05 = 38,220.56/x
  3. Step 3: Cross multiply
    108,390.45x = 162,587.05 × 38,220.56
  4. Step 4: Simplify right side
    108,390.45x = 6,214,167,800.96
  5. Step 5: Solve for x
    x = 6,214,167,800.96/108,390.45
  6. Step 6: Final answer
    x = 57,331.32

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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.