Home / 219,610.82-303,095.40-139,045.86

Finding the Fourth Proportional to 219,610.82, 303,095.40 and 139,045.86

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Solution

The fourth proportional to 219,610.82, 303,095.40 and 139,045.86 is: 191,903.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,610.82 : 303,095.40 = 139,045.86 : x
  2. Step 2: Convert to fraction form
    219,610.82/303,095.40 = 139,045.86/x
  3. Step 3: Cross multiply
    219,610.82x = 303,095.40 × 139,045.86
  4. Step 4: Simplify right side
    219,610.82x = 42,144,160,555.04
  5. Step 5: Solve for x
    x = 42,144,160,555.04/219,610.82
  6. Step 6: Final answer
    x = 191,903.84

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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.