Home / 454,032.66-681,074.91-138,511.38

Finding the Fourth Proportional to 454,032.66, 681,074.91 and 138,511.38

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Solution

The fourth proportional to 454,032.66, 681,074.91 and 138,511.38 is: 207,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,032.66 : 681,074.91 = 138,511.38 : x
  2. Step 2: Convert to fraction form
    454,032.66/681,074.91 = 138,511.38/x
  3. Step 3: Cross multiply
    454,032.66x = 681,074.91 × 138,511.38
  4. Step 4: Simplify right side
    454,032.66x = 94,336,625,667.48
  5. Step 5: Solve for x
    x = 94,336,625,667.48/454,032.66
  6. Step 6: Final answer
    x = 207,774.98

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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.