Home / 215,427.08-297,244.31-124,750.42

Finding the Fourth Proportional to 215,427.08, 297,244.31 and 124,750.42

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Solution

The fourth proportional to 215,427.08, 297,244.31 and 124,750.42 is: 172,129.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,427.08 : 297,244.31 = 124,750.42 : x
  2. Step 2: Convert to fraction form
    215,427.08/297,244.31 = 124,750.42/x
  3. Step 3: Cross multiply
    215,427.08x = 297,244.31 × 124,750.42
  4. Step 4: Simplify right side
    215,427.08x = 37,081,352,515.11
  5. Step 5: Solve for x
    x = 37,081,352,515.11/215,427.08
  6. Step 6: Final answer
    x = 172,129.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.