Home / 100,327.54-138,466.11-62,099.35

Finding the Fourth Proportional to 100,327.54, 138,466.11 and 62,099.35

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Solution

The fourth proportional to 100,327.54, 138,466.11 and 62,099.35 is: 85,705.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,327.54 : 138,466.11 = 62,099.35 : x
  2. Step 2: Convert to fraction form
    100,327.54/138,466.11 = 62,099.35/x
  3. Step 3: Cross multiply
    100,327.54x = 138,466.11 × 62,099.35
  4. Step 4: Simplify right side
    100,327.54x = 8,598,655,428.03
  5. Step 5: Solve for x
    x = 8,598,655,428.03/100,327.54
  6. Step 6: Final answer
    x = 85,705.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.