Home / 234,445.21-323,516.51-142,551.73

Finding the Fourth Proportional to 234,445.21, 323,516.51 and 142,551.73

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Solution

The fourth proportional to 234,445.21, 323,516.51 and 142,551.73 is: 196,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,445.21 : 323,516.51 = 142,551.73 : x
  2. Step 2: Convert to fraction form
    234,445.21/323,516.51 = 142,551.73/x
  3. Step 3: Cross multiply
    234,445.21x = 323,516.51 × 142,551.73
  4. Step 4: Simplify right side
    234,445.21x = 46,117,835,853.72
  5. Step 5: Solve for x
    x = 46,117,835,853.72/234,445.21
  6. Step 6: Final answer
    x = 196,710.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.