Home / 84,236.31-126,352.28-34,316.33

Finding the Fourth Proportional to 84,236.31, 126,352.28 and 34,316.33

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Solution

The fourth proportional to 84,236.31, 126,352.28 and 34,316.33 is: 51,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,236.31 : 126,352.28 = 34,316.33 : x
  2. Step 2: Convert to fraction form
    84,236.31/126,352.28 = 34,316.33/x
  3. Step 3: Cross multiply
    84,236.31x = 126,352.28 × 34,316.33
  4. Step 4: Simplify right side
    84,236.31x = 4,335,945,990.76
  5. Step 5: Solve for x
    x = 4,335,945,990.76/84,236.31
  6. Step 6: Final answer
    x = 51,473.60

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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.