Home / 122,364.10-183,546.15-75,708.10

Finding the Fourth Proportional to 122,364.10, 183,546.15 and 75,708.10

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Solution

The fourth proportional to 122,364.10, 183,546.15 and 75,708.10 is: 113,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,364.10 : 183,546.15 = 75,708.10 : x
  2. Step 2: Convert to fraction form
    122,364.10/183,546.15 = 75,708.10/x
  3. Step 3: Cross multiply
    122,364.10x = 183,546.15 × 75,708.10
  4. Step 4: Simplify right side
    122,364.10x = 13,895,930,278.82
  5. Step 5: Solve for x
    x = 13,895,930,278.82/122,364.10
  6. Step 6: Final answer
    x = 113,562.15

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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.