Home / 126,343.12-174,368.79-71,908.52

Finding the Fourth Proportional to 126,343.12, 174,368.79 and 71,908.52

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Solution

The fourth proportional to 126,343.12, 174,368.79 and 71,908.52 is: 99,242.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,343.12 : 174,368.79 = 71,908.52 : x
  2. Step 2: Convert to fraction form
    126,343.12/174,368.79 = 71,908.52/x
  3. Step 3: Cross multiply
    126,343.12x = 174,368.79 × 71,908.52
  4. Step 4: Simplify right side
    126,343.12x = 12,538,601,623.09
  5. Step 5: Solve for x
    x = 12,538,601,623.09/126,343.12
  6. Step 6: Final answer
    x = 99,242.46

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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.