Home / 282,175.12-423,401.07-132,427.58

Finding the Fourth Proportional to 282,175.12, 423,401.07 and 132,427.58

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Solution

The fourth proportional to 282,175.12, 423,401.07 and 132,427.58 is: 198,706.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,175.12 : 423,401.07 = 132,427.58 : x
  2. Step 2: Convert to fraction form
    282,175.12/423,401.07 = 132,427.58/x
  3. Step 3: Cross multiply
    282,175.12x = 423,401.07 × 132,427.58
  4. Step 4: Simplify right side
    282,175.12x = 56,069,981,021.56
  5. Step 5: Solve for x
    x = 56,069,981,021.56/282,175.12
  6. Step 6: Final answer
    x = 198,706.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.