Home / 141,580.67-212,121.86-133,152.35

Finding the Fourth Proportional to 141,580.67, 212,121.86 and 133,152.35

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Solution

The fourth proportional to 141,580.67, 212,121.86 and 133,152.35 is: 199,494.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,580.67 : 212,121.86 = 133,152.35 : x
  2. Step 2: Convert to fraction form
    141,580.67/212,121.86 = 133,152.35/x
  3. Step 3: Cross multiply
    141,580.67x = 212,121.86 × 133,152.35
  4. Step 4: Simplify right side
    141,580.67x = 28,244,522,419.00
  5. Step 5: Solve for x
    x = 28,244,522,419.00/141,580.67
  6. Step 6: Final answer
    x = 199,494.21

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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.