Home / 152,414.82-210,329.68-84,431.58

Finding the Fourth Proportional to 152,414.82, 210,329.68 and 84,431.58

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Solution

The fourth proportional to 152,414.82, 210,329.68 and 84,431.58 is: 116,514.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,414.82 : 210,329.68 = 84,431.58 : x
  2. Step 2: Convert to fraction form
    152,414.82/210,329.68 = 84,431.58/x
  3. Step 3: Cross multiply
    152,414.82x = 210,329.68 × 84,431.58
  4. Step 4: Simplify right side
    152,414.82x = 17,758,467,203.29
  5. Step 5: Solve for x
    x = 17,758,467,203.29/152,414.82
  6. Step 6: Final answer
    x = 116,514.05

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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.