Home / 132,930.72-183,438.54-72,500.13

Finding the Fourth Proportional to 132,930.72, 183,438.54 and 72,500.13

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Solution

The fourth proportional to 132,930.72, 183,438.54 and 72,500.13 is: 100,046.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,930.72 : 183,438.54 = 72,500.13 : x
  2. Step 2: Convert to fraction form
    132,930.72/183,438.54 = 72,500.13/x
  3. Step 3: Cross multiply
    132,930.72x = 183,438.54 × 72,500.13
  4. Step 4: Simplify right side
    132,930.72x = 13,299,317,997.01
  5. Step 5: Solve for x
    x = 13,299,317,997.01/132,930.72
  6. Step 6: Final answer
    x = 100,046.99

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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.