Home / 159,933.24-220,711.32-88,317.81

Finding the Fourth Proportional to 159,933.24, 220,711.32 and 88,317.81

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Solution

The fourth proportional to 159,933.24, 220,711.32 and 88,317.81 is: 121,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,933.24 : 220,711.32 = 88,317.81 : x
  2. Step 2: Convert to fraction form
    159,933.24/220,711.32 = 88,317.81/x
  3. Step 3: Cross multiply
    159,933.24x = 220,711.32 × 88,317.81
  4. Step 4: Simplify right side
    159,933.24x = 19,492,740,424.61
  5. Step 5: Solve for x
    x = 19,492,740,424.61/159,933.24
  6. Step 6: Final answer
    x = 121,880.48

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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.