Home / 159,717.48-220,299.54-129,504.06

Finding the Fourth Proportional to 159,717.48, 220,299.54 and 129,504.06

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Solution

The fourth proportional to 159,717.48, 220,299.54 and 129,504.06 is: 178,625.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,717.48 : 220,299.54 = 129,504.06 : x
  2. Step 2: Convert to fraction form
    159,717.48/220,299.54 = 129,504.06/x
  3. Step 3: Cross multiply
    159,717.48x = 220,299.54 × 129,504.06
  4. Step 4: Simplify right side
    159,717.48x = 28,529,684,846.13
  5. Step 5: Solve for x
    x = 28,529,684,846.13/159,717.48
  6. Step 6: Final answer
    x = 178,625.94

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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.