Home / 219,901.10-303,496.13-139,336.16

Finding the Fourth Proportional to 219,901.10, 303,496.13 and 139,336.16

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Solution

The fourth proportional to 219,901.10, 303,496.13 and 139,336.16 is: 192,304.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,901.10 : 303,496.13 = 139,336.16 : x
  2. Step 2: Convert to fraction form
    219,901.10/303,496.13 = 139,336.16/x
  3. Step 3: Cross multiply
    219,901.10x = 303,496.13 × 139,336.16
  4. Step 4: Simplify right side
    219,901.10x = 42,287,984,159.92
  5. Step 5: Solve for x
    x = 42,287,984,159.92/219,901.10
  6. Step 6: Final answer
    x = 192,304.56

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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.