Home / 152,326.85-210,217.61-84,343.82

Finding the Fourth Proportional to 152,326.85, 210,217.61 and 84,343.82

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Solution

The fourth proportional to 152,326.85, 210,217.61 and 84,343.82 is: 116,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,326.85 : 210,217.61 = 84,343.82 : x
  2. Step 2: Convert to fraction form
    152,326.85/210,217.61 = 84,343.82/x
  3. Step 3: Cross multiply
    152,326.85x = 210,217.61 × 84,343.82
  4. Step 4: Simplify right side
    152,326.85x = 17,730,555,418.44
  5. Step 5: Solve for x
    x = 17,730,555,418.44/152,326.85
  6. Step 6: Final answer
    x = 116,398.10

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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.