Home / 212,766.72-293,304.24-136,276.80

Finding the Fourth Proportional to 212,766.72, 293,304.24 and 136,276.80

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Solution

The fourth proportional to 212,766.72, 293,304.24 and 136,276.80 is: 187,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,766.72 : 293,304.24 = 136,276.80 : x
  2. Step 2: Convert to fraction form
    212,766.72/293,304.24 = 136,276.80/x
  3. Step 3: Cross multiply
    212,766.72x = 293,304.24 × 136,276.80
  4. Step 4: Simplify right side
    212,766.72x = 39,970,563,253.63
  5. Step 5: Solve for x
    x = 39,970,563,253.63/212,766.72
  6. Step 6: Final answer
    x = 187,860.97

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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.