Home / 86,884.06-130,237.80-34,221.10

Finding the Fourth Proportional to 86,884.06, 130,237.80 and 34,221.10

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Solution

The fourth proportional to 86,884.06, 130,237.80 and 34,221.10 is: 51,296.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,884.06 : 130,237.80 = 34,221.10 : x
  2. Step 2: Convert to fraction form
    86,884.06/130,237.80 = 34,221.10/x
  3. Step 3: Cross multiply
    86,884.06x = 130,237.80 × 34,221.10
  4. Step 4: Simplify right side
    86,884.06x = 4,456,880,777.58
  5. Step 5: Solve for x
    x = 4,456,880,777.58/86,884.06
  6. Step 6: Final answer
    x = 51,296.88

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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.