Home / 180,131.92-248,453.13-126,428.92

Finding the Fourth Proportional to 180,131.92, 248,453.13 and 126,428.92

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Solution

The fourth proportional to 180,131.92, 248,453.13 and 126,428.92 is: 174,381.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,131.92 : 248,453.13 = 126,428.92 : x
  2. Step 2: Convert to fraction form
    180,131.92/248,453.13 = 126,428.92/x
  3. Step 3: Cross multiply
    180,131.92x = 248,453.13 × 126,428.92
  4. Step 4: Simplify right side
    180,131.92x = 31,411,660,896.52
  5. Step 5: Solve for x
    x = 31,411,660,896.52/180,131.92
  6. Step 6: Final answer
    x = 174,381.42

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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.