Home / 123,232.31-170,047.82-90,984.08

Finding the Fourth Proportional to 123,232.31, 170,047.82 and 90,984.08

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Solution

The fourth proportional to 123,232.31, 170,047.82 and 90,984.08 is: 125,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,232.31 : 170,047.82 = 90,984.08 : x
  2. Step 2: Convert to fraction form
    123,232.31/170,047.82 = 90,984.08/x
  3. Step 3: Cross multiply
    123,232.31x = 170,047.82 × 90,984.08
  4. Step 4: Simplify right side
    123,232.31x = 15,471,644,458.71
  5. Step 5: Solve for x
    x = 15,471,644,458.71/123,232.31
  6. Step 6: Final answer
    x = 125,548.60

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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.