Home / 108,265.72-162,420.48-45,090.60

Finding the Fourth Proportional to 108,265.72, 162,420.48 and 45,090.60

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Solution

The fourth proportional to 108,265.72, 162,420.48 and 45,090.60 is: 67,645.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,265.72 : 162,420.48 = 45,090.60 : x
  2. Step 2: Convert to fraction form
    108,265.72/162,420.48 = 45,090.60/x
  3. Step 3: Cross multiply
    108,265.72x = 162,420.48 × 45,090.60
  4. Step 4: Simplify right side
    108,265.72x = 7,323,636,895.49
  5. Step 5: Solve for x
    x = 7,323,636,895.49/108,265.72
  6. Step 6: Final answer
    x = 67,645.02

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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.