Home / 133,069.30-199,603.95-54,240.10

Finding the Fourth Proportional to 133,069.30, 199,603.95 and 54,240.10

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Solution

The fourth proportional to 133,069.30, 199,603.95 and 54,240.10 is: 81,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,069.30 : 199,603.95 = 54,240.10 : x
  2. Step 2: Convert to fraction form
    133,069.30/199,603.95 = 54,240.10/x
  3. Step 3: Cross multiply
    133,069.30x = 199,603.95 × 54,240.10
  4. Step 4: Simplify right side
    133,069.30x = 10,826,538,208.40
  5. Step 5: Solve for x
    x = 10,826,538,208.40/133,069.30
  6. Step 6: Final answer
    x = 81,360.15

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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.