Home / 135,904.59-203,815.35-64,789.74

Finding the Fourth Proportional to 135,904.59, 203,815.35 and 64,789.74

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Solution

The fourth proportional to 135,904.59, 203,815.35 and 64,789.74 is: 97,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,904.59 : 203,815.35 = 64,789.74 : x
  2. Step 2: Convert to fraction form
    135,904.59/203,815.35 = 64,789.74/x
  3. Step 3: Cross multiply
    135,904.59x = 203,815.35 × 64,789.74
  4. Step 4: Simplify right side
    135,904.59x = 13,205,143,534.51
  5. Step 5: Solve for x
    x = 13,205,143,534.51/135,904.59
  6. Step 6: Final answer
    x = 97,164.81

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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.