Home / 123,323.50-170,187.65-66,736.09

Finding the Fourth Proportional to 123,323.50, 170,187.65 and 66,736.09

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Solution

The fourth proportional to 123,323.50, 170,187.65 and 66,736.09 is: 92,096.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,323.50 : 170,187.65 = 66,736.09 : x
  2. Step 2: Convert to fraction form
    123,323.50/170,187.65 = 66,736.09/x
  3. Step 3: Cross multiply
    123,323.50x = 170,187.65 × 66,736.09
  4. Step 4: Simplify right side
    123,323.50x = 11,357,658,327.29
  5. Step 5: Solve for x
    x = 11,357,658,327.29/123,323.50
  6. Step 6: Final answer
    x = 92,096.46

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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.