Home / 145,256.10-217,892.34-51,761.85

Finding the Fourth Proportional to 145,256.10, 217,892.34 and 51,761.85

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Solution

The fourth proportional to 145,256.10, 217,892.34 and 51,761.85 is: 77,645.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,256.10 : 217,892.34 = 51,761.85 : x
  2. Step 2: Convert to fraction form
    145,256.10/217,892.34 = 51,761.85/x
  3. Step 3: Cross multiply
    145,256.10x = 217,892.34 × 51,761.85
  4. Step 4: Simplify right side
    145,256.10x = 11,278,510,619.23
  5. Step 5: Solve for x
    x = 11,278,510,619.23/145,256.10
  6. Step 6: Final answer
    x = 77,645.69

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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.