Home / 189,256.08-260,933.76-124,715.28

Finding the Fourth Proportional to 189,256.08, 260,933.76 and 124,715.28

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Solution

The fourth proportional to 189,256.08, 260,933.76 and 124,715.28 is: 171,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,256.08 : 260,933.76 = 124,715.28 : x
  2. Step 2: Convert to fraction form
    189,256.08/260,933.76 = 124,715.28/x
  3. Step 3: Cross multiply
    189,256.08x = 260,933.76 × 124,715.28
  4. Step 4: Simplify right side
    189,256.08x = 32,542,426,939.85
  5. Step 5: Solve for x
    x = 32,542,426,939.85/189,256.08
  6. Step 6: Final answer
    x = 171,949.18

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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.