Home / 152,236.26-210,086.40-84,257.88

Finding the Fourth Proportional to 152,236.26, 210,086.40 and 84,257.88

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Solution

The fourth proportional to 152,236.26, 210,086.40 and 84,257.88 is: 116,276.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,236.26 : 210,086.40 = 84,257.88 : x
  2. Step 2: Convert to fraction form
    152,236.26/210,086.40 = 84,257.88/x
  3. Step 3: Cross multiply
    152,236.26x = 210,086.40 × 84,257.88
  4. Step 4: Simplify right side
    152,236.26x = 17,701,434,680.83
  5. Step 5: Solve for x
    x = 17,701,434,680.83/152,236.26
  6. Step 6: Final answer
    x = 116,276.07

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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.