Home / 185,688.83-278,636.73-100,297.96

Finding the Fourth Proportional to 185,688.83, 278,636.73 and 100,297.96

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Solution

The fourth proportional to 185,688.83, 278,636.73 and 100,297.96 is: 150,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,688.83 : 278,636.73 = 100,297.96 : x
  2. Step 2: Convert to fraction form
    185,688.83/278,636.73 = 100,297.96/x
  3. Step 3: Cross multiply
    185,688.83x = 278,636.73 × 100,297.96
  4. Step 4: Simplify right side
    185,688.83x = 27,946,695,600.07
  5. Step 5: Solve for x
    x = 27,946,695,600.07/185,688.83
  6. Step 6: Final answer
    x = 150,502.84

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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.