Home / 212,966.20-293,987.82-137,551.48

Finding the Fourth Proportional to 212,966.20, 293,987.82 and 137,551.48

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Solution

The fourth proportional to 212,966.20, 293,987.82 and 137,551.48 is: 189,882.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,966.20 : 293,987.82 = 137,551.48 : x
  2. Step 2: Convert to fraction form
    212,966.20/293,987.82 = 137,551.48/x
  3. Step 3: Cross multiply
    212,966.20x = 293,987.82 × 137,551.48
  4. Step 4: Simplify right side
    212,966.20x = 40,438,459,742.97
  5. Step 5: Solve for x
    x = 40,438,459,742.97/212,966.20
  6. Step 6: Final answer
    x = 189,882.06

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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.