Home / 122,468.33-183,531.36-66,187.10

Finding the Fourth Proportional to 122,468.33, 183,531.36 and 66,187.10

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Solution

The fourth proportional to 122,468.33, 183,531.36 and 66,187.10 is: 99,188.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,468.33 : 183,531.36 = 66,187.10 : x
  2. Step 2: Convert to fraction form
    122,468.33/183,531.36 = 66,187.10/x
  3. Step 3: Cross multiply
    122,468.33x = 183,531.36 × 66,187.10
  4. Step 4: Simplify right side
    122,468.33x = 12,147,408,477.46
  5. Step 5: Solve for x
    x = 12,147,408,477.46/122,468.33
  6. Step 6: Final answer
    x = 99,188.16

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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.