Home / 135,723.03-187,298.01-75,293.68

Finding the Fourth Proportional to 135,723.03, 187,298.01 and 75,293.68

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Solution

The fourth proportional to 135,723.03, 187,298.01 and 75,293.68 is: 103,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,723.03 : 187,298.01 = 75,293.68 : x
  2. Step 2: Convert to fraction form
    135,723.03/187,298.01 = 75,293.68/x
  3. Step 3: Cross multiply
    135,723.03x = 187,298.01 × 75,293.68
  4. Step 4: Simplify right side
    135,723.03x = 14,102,355,679.86
  5. Step 5: Solve for x
    x = 14,102,355,679.86/135,723.03
  6. Step 6: Final answer
    x = 103,905.40

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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.