Home / 219,900.32-303,462.48-124,405.04

Finding the Fourth Proportional to 219,900.32, 303,462.48 and 124,405.04

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Solution

The fourth proportional to 219,900.32, 303,462.48 and 124,405.04 is: 171,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,900.32 : 303,462.48 = 124,405.04 : x
  2. Step 2: Convert to fraction form
    219,900.32/303,462.48 = 124,405.04/x
  3. Step 3: Cross multiply
    219,900.32x = 303,462.48 × 124,405.04
  4. Step 4: Simplify right side
    219,900.32x = 37,752,261,962.90
  5. Step 5: Solve for x
    x = 37,752,261,962.90/219,900.32
  6. Step 6: Final answer
    x = 171,678.98

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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.