Home / 119,431.91-178,889.45-56,157.22

Finding the Fourth Proportional to 119,431.91, 178,889.45 and 56,157.22

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Solution

The fourth proportional to 119,431.91, 178,889.45 and 56,157.22 is: 84,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,431.91 : 178,889.45 = 56,157.22 : x
  2. Step 2: Convert to fraction form
    119,431.91/178,889.45 = 56,157.22/x
  3. Step 3: Cross multiply
    119,431.91x = 178,889.45 × 56,157.22
  4. Step 4: Simplify right side
    119,431.91x = 10,045,933,471.32
  5. Step 5: Solve for x
    x = 10,045,933,471.32/119,431.91
  6. Step 6: Final answer
    x = 84,114.31

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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.