Home / 185,628.14-278,447.67-45,386.75

Finding the Fourth Proportional to 185,628.14, 278,447.67 and 45,386.75

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Solution

The fourth proportional to 185,628.14, 278,447.67 and 45,386.75 is: 68,081.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,628.14 : 278,447.67 = 45,386.75 : x
  2. Step 2: Convert to fraction form
    185,628.14/278,447.67 = 45,386.75/x
  3. Step 3: Cross multiply
    185,628.14x = 278,447.67 × 45,386.75
  4. Step 4: Simplify right side
    185,628.14x = 12,637,834,786.37
  5. Step 5: Solve for x
    x = 12,637,834,786.37/185,628.14
  6. Step 6: Final answer
    x = 68,081.46

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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.