Home / 122,830.22-183,950.06-70,079.78

Finding the Fourth Proportional to 122,830.22, 183,950.06 and 70,079.78

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Solution

The fourth proportional to 122,830.22, 183,950.06 and 70,079.78 is: 104,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,830.22 : 183,950.06 = 70,079.78 : x
  2. Step 2: Convert to fraction form
    122,830.22/183,950.06 = 70,079.78/x
  3. Step 3: Cross multiply
    122,830.22x = 183,950.06 × 70,079.78
  4. Step 4: Simplify right side
    122,830.22x = 12,891,178,991.24
  5. Step 5: Solve for x
    x = 12,891,178,991.24/122,830.22
  6. Step 6: Final answer
    x = 104,951.20

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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.