Home / 141,926.67-212,649.01-85,648.52

Finding the Fourth Proportional to 141,926.67, 212,649.01 and 85,648.52

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Solution

The fourth proportional to 141,926.67, 212,649.01 and 85,648.52 is: 128,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,926.67 : 212,649.01 = 85,648.52 : x
  2. Step 2: Convert to fraction form
    141,926.67/212,649.01 = 85,648.52/x
  3. Step 3: Cross multiply
    141,926.67x = 212,649.01 × 85,648.52
  4. Step 4: Simplify right side
    141,926.67x = 18,213,072,985.97
  5. Step 5: Solve for x
    x = 18,213,072,985.97/141,926.67
  6. Step 6: Final answer
    x = 128,327.35

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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.