Home / 212,780.62-293,639.24-117,290.73

Finding the Fourth Proportional to 212,780.62, 293,639.24 and 117,290.73

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Solution

The fourth proportional to 212,780.62, 293,639.24 and 117,290.73 is: 161,862.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,780.62 : 293,639.24 = 117,290.73 : x
  2. Step 2: Convert to fraction form
    212,780.62/293,639.24 = 117,290.73/x
  3. Step 3: Cross multiply
    212,780.62x = 293,639.24 × 117,290.73
  4. Step 4: Simplify right side
    212,780.62x = 34,441,162,210.62
  5. Step 5: Solve for x
    x = 34,441,162,210.62/212,780.62
  6. Step 6: Final answer
    x = 161,862.31

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1.5x scale

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.