Home / 130,571.33-180,243.56-88,187.27

Finding the Fourth Proportional to 130,571.33, 180,243.56 and 88,187.27

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Solution

The fourth proportional to 130,571.33, 180,243.56 and 88,187.27 is: 121,735.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,571.33 : 180,243.56 = 88,187.27 : x
  2. Step 2: Convert to fraction form
    130,571.33/180,243.56 = 88,187.27/x
  3. Step 3: Cross multiply
    130,571.33x = 180,243.56 × 88,187.27
  4. Step 4: Simplify right side
    130,571.33x = 15,895,187,491.48
  5. Step 5: Solve for x
    x = 15,895,187,491.48/130,571.33
  6. Step 6: Final answer
    x = 121,735.66

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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.