Home / 120,848.60-181,272.90-76,233.80

Finding the Fourth Proportional to 120,848.60, 181,272.90 and 76,233.80

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Solution

The fourth proportional to 120,848.60, 181,272.90 and 76,233.80 is: 114,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,848.60 : 181,272.90 = 76,233.80 : x
  2. Step 2: Convert to fraction form
    120,848.60/181,272.90 = 76,233.80/x
  3. Step 3: Cross multiply
    120,848.60x = 181,272.90 × 76,233.80
  4. Step 4: Simplify right side
    120,848.60x = 13,819,122,004.02
  5. Step 5: Solve for x
    x = 13,819,122,004.02/120,848.60
  6. Step 6: Final answer
    x = 114,350.70

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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.