Home / 122,047.72-183,090.30-51,908.20

Finding the Fourth Proportional to 122,047.72, 183,090.30 and 51,908.20

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Solution

The fourth proportional to 122,047.72, 183,090.30 and 51,908.20 is: 77,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,047.72 : 183,090.30 = 51,908.20 : x
  2. Step 2: Convert to fraction form
    122,047.72/183,090.30 = 51,908.20/x
  3. Step 3: Cross multiply
    122,047.72x = 183,090.30 × 51,908.20
  4. Step 4: Simplify right side
    122,047.72x = 9,503,887,910.46
  5. Step 5: Solve for x
    x = 9,503,887,910.46/122,047.72
  6. Step 6: Final answer
    x = 77,870.26

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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.