Home / 240,488.01-331,792.86-138,511.43

Finding the Fourth Proportional to 240,488.01, 331,792.86 and 138,511.43

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Solution

The fourth proportional to 240,488.01, 331,792.86 and 138,511.43 is: 191,099.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,488.01 : 331,792.86 = 138,511.43 : x
  2. Step 2: Convert to fraction form
    240,488.01/331,792.86 = 138,511.43/x
  3. Step 3: Cross multiply
    240,488.01x = 331,792.86 × 138,511.43
  4. Step 4: Simplify right side
    240,488.01x = 45,957,103,607.07
  5. Step 5: Solve for x
    x = 45,957,103,607.07/240,488.01
  6. Step 6: Final answer
    x = 191,099.36

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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.