Home / 169,515.12-254,264.48-69,650.72

Finding the Fourth Proportional to 169,515.12, 254,264.48 and 69,650.72

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Solution

The fourth proportional to 169,515.12, 254,264.48 and 69,650.72 is: 104,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,515.12 : 254,264.48 = 69,650.72 : x
  2. Step 2: Convert to fraction form
    169,515.12/254,264.48 = 69,650.72/x
  3. Step 3: Cross multiply
    169,515.12x = 254,264.48 × 69,650.72
  4. Step 4: Simplify right side
    169,515.12x = 17,709,704,102.43
  5. Step 5: Solve for x
    x = 17,709,704,102.43/169,515.12
  6. Step 6: Final answer
    x = 104,472.71

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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.