Home / 159,939.18-220,707.86-88,325.46

Finding the Fourth Proportional to 159,939.18, 220,707.86 and 88,325.46

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Solution

The fourth proportional to 159,939.18, 220,707.86 and 88,325.46 is: 121,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,939.18 : 220,707.86 = 88,325.46 : x
  2. Step 2: Convert to fraction form
    159,939.18/220,707.86 = 88,325.46/x
  3. Step 3: Cross multiply
    159,939.18x = 220,707.86 × 88,325.46
  4. Step 4: Simplify right side
    159,939.18x = 19,494,122,818.49
  5. Step 5: Solve for x
    x = 19,494,122,818.49/159,939.18
  6. Step 6: Final answer
    x = 121,884.60

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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.