Home / 122,573.30-183,729.15-69,869.30

Finding the Fourth Proportional to 122,573.30, 183,729.15 and 69,869.30

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Solution

The fourth proportional to 122,573.30, 183,729.15 and 69,869.30 is: 104,729.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,573.30 : 183,729.15 = 69,869.30 : x
  2. Step 2: Convert to fraction form
    122,573.30/183,729.15 = 69,869.30/x
  3. Step 3: Cross multiply
    122,573.30x = 183,729.15 × 69,869.30
  4. Step 4: Simplify right side
    122,573.30x = 12,837,027,100.10
  5. Step 5: Solve for x
    x = 12,837,027,100.10/122,573.30
  6. Step 6: Final answer
    x = 104,729.39

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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.