Home / 136,109.10-204,205.09-69,595.95

Finding the Fourth Proportional to 136,109.10, 204,205.09 and 69,595.95

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Solution

The fourth proportional to 136,109.10, 204,205.09 and 69,595.95 is: 104,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,109.10 : 204,205.09 = 69,595.95 : x
  2. Step 2: Convert to fraction form
    136,109.10/204,205.09 = 69,595.95/x
  3. Step 3: Cross multiply
    136,109.10x = 204,205.09 × 69,595.95
  4. Step 4: Simplify right side
    136,109.10x = 14,211,847,233.39
  5. Step 5: Solve for x
    x = 14,211,847,233.39/136,109.10
  6. Step 6: Final answer
    x = 104,415.11

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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.