Home / 85,099.40-127,346.70-74,126.60

Finding the Fourth Proportional to 85,099.40, 127,346.70 and 74,126.60

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Solution

The fourth proportional to 85,099.40, 127,346.70 and 74,126.60 is: 110,926.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,099.40 : 127,346.70 = 74,126.60 : x
  2. Step 2: Convert to fraction form
    85,099.40/127,346.70 = 74,126.60/x
  3. Step 3: Cross multiply
    85,099.40x = 127,346.70 × 74,126.60
  4. Step 4: Simplify right side
    85,099.40x = 9,439,777,892.22
  5. Step 5: Solve for x
    x = 9,439,777,892.22/85,099.40
  6. Step 6: Final answer
    x = 110,926.49

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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.