Home / 136,298.05-188,097.50-75,872.52

Finding the Fourth Proportional to 136,298.05, 188,097.50 and 75,872.52

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Solution

The fourth proportional to 136,298.05, 188,097.50 and 75,872.52 is: 104,707.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,298.05 : 188,097.50 = 75,872.52 : x
  2. Step 2: Convert to fraction form
    136,298.05/188,097.50 = 75,872.52/x
  3. Step 3: Cross multiply
    136,298.05x = 188,097.50 × 75,872.52
  4. Step 4: Simplify right side
    136,298.05x = 14,271,431,520.38
  5. Step 5: Solve for x
    x = 14,271,431,520.38/136,298.05
  6. Step 6: Final answer
    x = 104,707.53

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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.