Home / 212,780.68-293,637.33-117,289.43

Finding the Fourth Proportional to 212,780.68, 293,637.33 and 117,289.43

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Solution

The fourth proportional to 212,780.68, 293,637.33 and 117,289.43 is: 161,859.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,780.68 : 293,637.33 = 117,289.43 : x
  2. Step 2: Convert to fraction form
    212,780.68/293,637.33 = 117,289.43/x
  3. Step 3: Cross multiply
    212,780.68x = 293,637.33 × 117,289.43
  4. Step 4: Simplify right side
    212,780.68x = 34,440,555,062.42
  5. Step 5: Solve for x
    x = 34,440,555,062.42/212,780.68
  6. Step 6: Final answer
    x = 161,859.41

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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.