Home / 141,904.62-212,873.40-47,143.26

Finding the Fourth Proportional to 141,904.62, 212,873.40 and 47,143.26

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Solution

The fourth proportional to 141,904.62, 212,873.40 and 47,143.26 is: 70,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,904.62 : 212,873.40 = 47,143.26 : x
  2. Step 2: Convert to fraction form
    141,904.62/212,873.40 = 47,143.26/x
  3. Step 3: Cross multiply
    141,904.62x = 212,873.40 × 47,143.26
  4. Step 4: Simplify right side
    141,904.62x = 10,035,546,043.28
  5. Step 5: Solve for x
    x = 10,035,546,043.28/141,904.62
  6. Step 6: Final answer
    x = 70,720.36

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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.