Home / 234,390.08-323,435.16-131,005.20

Finding the Fourth Proportional to 234,390.08, 323,435.16 and 131,005.20

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Solution

The fourth proportional to 234,390.08, 323,435.16 and 131,005.20 is: 180,774.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,390.08 : 323,435.16 = 131,005.20 : x
  2. Step 2: Convert to fraction form
    234,390.08/323,435.16 = 131,005.20/x
  3. Step 3: Cross multiply
    234,390.08x = 323,435.16 × 131,005.20
  4. Step 4: Simplify right side
    234,390.08x = 42,371,687,822.83
  5. Step 5: Solve for x
    x = 42,371,687,822.83/234,390.08
  6. Step 6: Final answer
    x = 180,774.24

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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.