Home / 122,418.83-183,548.66-51,387.20

Finding the Fourth Proportional to 122,418.83, 183,548.66 and 51,387.20

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Solution

The fourth proportional to 122,418.83, 183,548.66 and 51,387.20 is: 77,047.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,418.83 : 183,548.66 = 51,387.20 : x
  2. Step 2: Convert to fraction form
    122,418.83/183,548.66 = 51,387.20/x
  3. Step 3: Cross multiply
    122,418.83x = 183,548.66 × 51,387.20
  4. Step 4: Simplify right side
    122,418.83x = 9,432,050,526.47
  5. Step 5: Solve for x
    x = 9,432,050,526.47/122,418.83
  6. Step 6: Final answer
    x = 77,047.39

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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.