Home / 112,452.03-168,628.50-42,282

Finding the Fourth Proportional to 112,452.03, 168,628.50 and 42,282

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Solution

The fourth proportional to 112,452.03, 168,628.50 and 42,282 is: 63,404.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,452.03 : 168,628.50 = 42,282 : x
  2. Step 2: Convert to fraction form
    112,452.03/168,628.50 = 42,282/x
  3. Step 3: Cross multiply
    112,452.03x = 168,628.50 × 42,282
  4. Step 4: Simplify right side
    112,452.03x = 7,129,950,237
  5. Step 5: Solve for x
    x = 7,129,950,237/112,452.03
  6. Step 6: Final answer
    x = 63,404.37

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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.