Home / 136,097.58-187,819.00-75,670.77

Finding the Fourth Proportional to 136,097.58, 187,819.00 and 75,670.77

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Solution

The fourth proportional to 136,097.58, 187,819.00 and 75,670.77 is: 104,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,097.58 : 187,819.00 = 75,670.77 : x
  2. Step 2: Convert to fraction form
    136,097.58/187,819.00 = 75,670.77/x
  3. Step 3: Cross multiply
    136,097.58x = 187,819.00 × 75,670.77
  4. Step 4: Simplify right side
    136,097.58x = 14,212,409,291.42
  5. Step 5: Solve for x
    x = 14,212,409,291.42/136,097.58
  6. Step 6: Final answer
    x = 104,428.08

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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.