Home / 135,919.84-187,349.52-101,405.92

Finding the Fourth Proportional to 135,919.84, 187,349.52 and 101,405.92

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Solution

The fourth proportional to 135,919.84, 187,349.52 and 101,405.92 is: 139,776.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,919.84 : 187,349.52 = 101,405.92 : x
  2. Step 2: Convert to fraction form
    135,919.84/187,349.52 = 101,405.92/x
  3. Step 3: Cross multiply
    135,919.84x = 187,349.52 × 101,405.92
  4. Step 4: Simplify right side
    135,919.84x = 18,998,350,437.16
  5. Step 5: Solve for x
    x = 18,998,350,437.16/135,919.84
  6. Step 6: Final answer
    x = 139,776.14

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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.