Home / 122,112.60-182,950.20-108,115.80

Finding the Fourth Proportional to 122,112.60, 182,950.20 and 108,115.80

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Solution

The fourth proportional to 122,112.60, 182,950.20 and 108,115.80 is: 161,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,112.60 : 182,950.20 = 108,115.80 : x
  2. Step 2: Convert to fraction form
    122,112.60/182,950.20 = 108,115.80/x
  3. Step 3: Cross multiply
    122,112.60x = 182,950.20 × 108,115.80
  4. Step 4: Simplify right side
    122,112.60x = 19,779,807,233.16
  5. Step 5: Solve for x
    x = 19,779,807,233.16/122,112.60
  6. Step 6: Final answer
    x = 161,980.07

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1.5x scale

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.