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Finding the Fourth Proportional to 108,001.40, 162,074.40 and 44,821.58

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Solution

The fourth proportional to 108,001.40, 162,074.40 and 44,821.58 is: 67,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,001.40 : 162,074.40 = 44,821.58 : x
  2. Step 2: Convert to fraction form
    108,001.40/162,074.40 = 44,821.58/x
  3. Step 3: Cross multiply
    108,001.40x = 162,074.40 × 44,821.58
  4. Step 4: Simplify right side
    108,001.40x = 7,264,431,090.74
  5. Step 5: Solve for x
    x = 7,264,431,090.74/108,001.40
  6. Step 6: Final answer
    x = 67,262.38

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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.