Home / 141,422.75-212,192.87-57,242.42

Finding the Fourth Proportional to 141,422.75, 212,192.87 and 57,242.42

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Solution

The fourth proportional to 141,422.75, 212,192.87 and 57,242.42 is: 85,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,422.75 : 212,192.87 = 57,242.42 : x
  2. Step 2: Convert to fraction form
    141,422.75/212,192.87 = 57,242.42/x
  3. Step 3: Cross multiply
    141,422.75x = 212,192.87 × 57,242.42
  4. Step 4: Simplify right side
    141,422.75x = 12,146,432,038.37
  5. Step 5: Solve for x
    x = 12,146,432,038.37/141,422.75
  6. Step 6: Final answer
    x = 85,887.40

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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.