Home / 234,128.61-323,098.92-137,312.73

Finding the Fourth Proportional to 234,128.61, 323,098.92 and 137,312.73

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Solution

The fourth proportional to 234,128.61, 323,098.92 and 137,312.73 is: 189,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,128.61 : 323,098.92 = 137,312.73 : x
  2. Step 2: Convert to fraction form
    234,128.61/323,098.92 = 137,312.73/x
  3. Step 3: Cross multiply
    234,128.61x = 323,098.92 × 137,312.73
  4. Step 4: Simplify right side
    234,128.61x = 44,365,594,765.25
  5. Step 5: Solve for x
    x = 44,365,594,765.25/234,128.61
  6. Step 6: Final answer
    x = 189,492.41

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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.