Home / 134,890.10-202,359.45-56,012.30

Finding the Fourth Proportional to 134,890.10, 202,359.45 and 56,012.30

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Solution

The fourth proportional to 134,890.10, 202,359.45 and 56,012.30 is: 84,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,890.10 : 202,359.45 = 56,012.30 : x
  2. Step 2: Convert to fraction form
    134,890.10/202,359.45 = 56,012.30/x
  3. Step 3: Cross multiply
    134,890.10x = 202,359.45 × 56,012.30
  4. Step 4: Simplify right side
    134,890.10x = 11,334,618,221.24
  5. Step 5: Solve for x
    x = 11,334,618,221.24/134,890.10
  6. Step 6: Final answer
    x = 84,028.54

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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.