Home / 136,373.68-204,579.96-66,205

Finding the Fourth Proportional to 136,373.68, 204,579.96 and 66,205

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Solution

The fourth proportional to 136,373.68, 204,579.96 and 66,205 is: 99,316.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,373.68 : 204,579.96 = 66,205 : x
  2. Step 2: Convert to fraction form
    136,373.68/204,579.96 = 66,205/x
  3. Step 3: Cross multiply
    136,373.68x = 204,579.96 × 66,205
  4. Step 4: Simplify right side
    136,373.68x = 13,544,216,251.80
  5. Step 5: Solve for x
    x = 13,544,216,251.80/136,373.68
  6. Step 6: Final answer
    x = 99,316.94

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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.