Home / 141,388.26-212,026.56-57,132.51

Finding the Fourth Proportional to 141,388.26, 212,026.56 and 57,132.51

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Solution

The fourth proportional to 141,388.26, 212,026.56 and 57,132.51 is: 85,676.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,388.26 : 212,026.56 = 57,132.51 : x
  2. Step 2: Convert to fraction form
    141,388.26/212,026.56 = 57,132.51/x
  3. Step 3: Cross multiply
    141,388.26x = 212,026.56 × 57,132.51
  4. Step 4: Simplify right side
    141,388.26x = 12,113,609,559.47
  5. Step 5: Solve for x
    x = 12,113,609,559.47/141,388.26
  6. Step 6: Final answer
    x = 85,676.21

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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.