Home / 141,740.35-212,610.81-133,079.83

Finding the Fourth Proportional to 141,740.35, 212,610.81 and 133,079.83

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Solution

The fourth proportional to 141,740.35, 212,610.81 and 133,079.83 is: 199,620.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,740.35 : 212,610.81 = 133,079.83 : x
  2. Step 2: Convert to fraction form
    141,740.35/212,610.81 = 133,079.83/x
  3. Step 3: Cross multiply
    141,740.35x = 212,610.81 × 133,079.83
  4. Step 4: Simplify right side
    141,740.35x = 28,294,210,450.96
  5. Step 5: Solve for x
    x = 28,294,210,450.96/141,740.35
  6. Step 6: Final answer
    x = 199,620.01

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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.