Home / 159,803.10-220,528.92-88,185.19

Finding the Fourth Proportional to 159,803.10, 220,528.92 and 88,185.19

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Solution

The fourth proportional to 159,803.10, 220,528.92 and 88,185.19 is: 121,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,803.10 : 220,528.92 = 88,185.19 : x
  2. Step 2: Convert to fraction form
    159,803.10/220,528.92 = 88,185.19/x
  3. Step 3: Cross multiply
    159,803.10x = 220,528.92 × 88,185.19
  4. Step 4: Simplify right side
    159,803.10x = 19,447,384,710.69
  5. Step 5: Solve for x
    x = 19,447,384,710.69/159,803.10
  6. Step 6: Final answer
    x = 121,695.92

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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.