Home / 133,051.40-199,001.10-119,112.20

Finding the Fourth Proportional to 133,051.40, 199,001.10 and 119,112.20

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Solution

The fourth proportional to 133,051.40, 199,001.10 and 119,112.20 is: 178,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,051.40 : 199,001.10 = 119,112.20 : x
  2. Step 2: Convert to fraction form
    133,051.40/199,001.10 = 119,112.20/x
  3. Step 3: Cross multiply
    133,051.40x = 199,001.10 × 119,112.20
  4. Step 4: Simplify right side
    133,051.40x = 23,703,458,823.42
  5. Step 5: Solve for x
    x = 23,703,458,823.42/133,051.40
  6. Step 6: Final answer
    x = 178,152.64

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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.