Home / 157,082.72-235,631.64-51,899.36

Finding the Fourth Proportional to 157,082.72, 235,631.64 and 51,899.36

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Solution

The fourth proportional to 157,082.72, 235,631.64 and 51,899.36 is: 77,851.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,082.72 : 235,631.64 = 51,899.36 : x
  2. Step 2: Convert to fraction form
    157,082.72/235,631.64 = 51,899.36/x
  3. Step 3: Cross multiply
    157,082.72x = 235,631.64 × 51,899.36
  4. Step 4: Simplify right side
    157,082.72x = 12,229,131,311.75
  5. Step 5: Solve for x
    x = 12,229,131,311.75/157,082.72
  6. Step 6: Final answer
    x = 77,851.54

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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.