Home / 213,974.28-295,294.64-129,089.52

Finding the Fourth Proportional to 213,974.28, 295,294.64 and 129,089.52

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Solution

The fourth proportional to 213,974.28, 295,294.64 and 129,089.52 is: 178,149.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,974.28 : 295,294.64 = 129,089.52 : x
  2. Step 2: Convert to fraction form
    213,974.28/295,294.64 = 129,089.52/x
  3. Step 3: Cross multiply
    213,974.28x = 295,294.64 × 129,089.52
  4. Step 4: Simplify right side
    213,974.28x = 38,119,443,336.17
  5. Step 5: Solve for x
    x = 38,119,443,336.17/213,974.28
  6. Step 6: Final answer
    x = 178,149.65

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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.