Home / 141,207.50-211,898.79-82,071.02

Finding the Fourth Proportional to 141,207.50, 211,898.79 and 82,071.02

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Solution

The fourth proportional to 141,207.50, 211,898.79 and 82,071.02 is: 123,157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,207.50 : 211,898.79 = 82,071.02 : x
  2. Step 2: Convert to fraction form
    141,207.50/211,898.79 = 82,071.02/x
  3. Step 3: Cross multiply
    141,207.50x = 211,898.79 × 82,071.02
  4. Step 4: Simplify right side
    141,207.50x = 17,390,749,832.07
  5. Step 5: Solve for x
    x = 17,390,749,832.07/141,207.50
  6. Step 6: Final answer
    x = 123,157.41

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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.