Home / 123,628.35-185,518.66-48,735.75

Finding the Fourth Proportional to 123,628.35, 185,518.66 and 48,735.75

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Solution

The fourth proportional to 123,628.35, 185,518.66 and 48,735.75 is: 73,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,628.35 : 185,518.66 = 48,735.75 : x
  2. Step 2: Convert to fraction form
    123,628.35/185,518.66 = 48,735.75/x
  3. Step 3: Cross multiply
    123,628.35x = 185,518.66 × 48,735.75
  4. Step 4: Simplify right side
    123,628.35x = 9,041,390,106.50
  5. Step 5: Solve for x
    x = 9,041,390,106.50/123,628.35
  6. Step 6: Final answer
    x = 73,133.63

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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.