Home / 92,300.09-138,450.11-22,179.40

Finding the Fourth Proportional to 92,300.09, 138,450.11 and 22,179.40

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Solution

The fourth proportional to 92,300.09, 138,450.11 and 22,179.40 is: 33,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,300.09 : 138,450.11 = 22,179.40 : x
  2. Step 2: Convert to fraction form
    92,300.09/138,450.11 = 22,179.40/x
  3. Step 3: Cross multiply
    92,300.09x = 138,450.11 × 22,179.40
  4. Step 4: Simplify right side
    92,300.09x = 3,070,740,156.32
  5. Step 5: Solve for x
    x = 3,070,740,156.32/92,300.09
  6. Step 6: Final answer
    x = 33,269.09

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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.