Home / 122,443.13-183,593.31-47,475.69

Finding the Fourth Proportional to 122,443.13, 183,593.31 and 47,475.69

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Solution

The fourth proportional to 122,443.13, 183,593.31 and 47,475.69 is: 71,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,443.13 : 183,593.31 = 47,475.69 : x
  2. Step 2: Convert to fraction form
    122,443.13/183,593.31 = 47,475.69/x
  3. Step 3: Cross multiply
    122,443.13x = 183,593.31 × 47,475.69
  4. Step 4: Simplify right side
    122,443.13x = 8,716,219,071.63
  5. Step 5: Solve for x
    x = 8,716,219,071.63/122,443.13
  6. Step 6: Final answer
    x = 71,185.86

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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.