Home / 120,905.60-181,444.80-50,835.20

Finding the Fourth Proportional to 120,905.60, 181,444.80 and 50,835.20

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Solution

The fourth proportional to 120,905.60, 181,444.80 and 50,835.20 is: 76,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,905.60 : 181,444.80 = 50,835.20 : x
  2. Step 2: Convert to fraction form
    120,905.60/181,444.80 = 50,835.20/x
  3. Step 3: Cross multiply
    120,905.60x = 181,444.80 × 50,835.20
  4. Step 4: Simplify right side
    120,905.60x = 9,223,782,696.96
  5. Step 5: Solve for x
    x = 9,223,782,696.96/120,905.60
  6. Step 6: Final answer
    x = 76,289.13

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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.