Home / 141,927.42-212,650.14-85,649.27

Finding the Fourth Proportional to 141,927.42, 212,650.14 and 85,649.27

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Solution

The fourth proportional to 141,927.42, 212,650.14 and 85,649.27 is: 128,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,927.42 : 212,650.14 = 85,649.27 : x
  2. Step 2: Convert to fraction form
    141,927.42/212,650.14 = 85,649.27/x
  3. Step 3: Cross multiply
    141,927.42x = 212,650.14 × 85,649.27
  4. Step 4: Simplify right side
    141,927.42x = 18,213,329,042.27
  5. Step 5: Solve for x
    x = 18,213,329,042.27/141,927.42
  6. Step 6: Final answer
    x = 128,328.47

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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.