Home / 212,757.48-318,834.90-118,029.08

Finding the Fourth Proportional to 212,757.48, 318,834.90 and 118,029.08

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Solution

The fourth proportional to 212,757.48, 318,834.90 and 118,029.08 is: 176,876.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,757.48 : 318,834.90 = 118,029.08 : x
  2. Step 2: Convert to fraction form
    212,757.48/318,834.90 = 118,029.08/x
  3. Step 3: Cross multiply
    212,757.48x = 318,834.90 × 118,029.08
  4. Step 4: Simplify right side
    212,757.48x = 37,631,789,918.89
  5. Step 5: Solve for x
    x = 37,631,789,918.89/212,757.48
  6. Step 6: Final answer
    x = 176,876.46

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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.