Home / 122,538.71-183,819.40-47,664.54

Finding the Fourth Proportional to 122,538.71, 183,819.40 and 47,664.54

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Solution

The fourth proportional to 122,538.71, 183,819.40 and 47,664.54 is: 71,501.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,538.71 : 183,819.40 = 47,664.54 : x
  2. Step 2: Convert to fraction form
    122,538.71/183,819.40 = 47,664.54/x
  3. Step 3: Cross multiply
    122,538.71x = 183,819.40 × 47,664.54
  4. Step 4: Simplify right side
    122,538.71x = 8,761,667,024.91
  5. Step 5: Solve for x
    x = 8,761,667,024.91/122,538.71
  6. Step 6: Final answer
    x = 71,501.22

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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.