Home / 144,939.28-217,372.44-56,162.32

Finding the Fourth Proportional to 144,939.28, 217,372.44 and 56,162.32

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Solution

The fourth proportional to 144,939.28, 217,372.44 and 56,162.32 is: 84,229.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,939.28 : 217,372.44 = 56,162.32 : x
  2. Step 2: Convert to fraction form
    144,939.28/217,372.44 = 56,162.32/x
  3. Step 3: Cross multiply
    144,939.28x = 217,372.44 × 56,162.32
  4. Step 4: Simplify right side
    144,939.28x = 12,208,140,534.46
  5. Step 5: Solve for x
    x = 12,208,140,534.46/144,939.28
  6. Step 6: Final answer
    x = 84,229.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.