Home / 234,741.36-323,913.30-139,229.40

Finding the Fourth Proportional to 234,741.36, 323,913.30 and 139,229.40

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Solution

The fourth proportional to 234,741.36, 323,913.30 and 139,229.40 is: 192,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,741.36 : 323,913.30 = 139,229.40 : x
  2. Step 2: Convert to fraction form
    234,741.36/323,913.30 = 139,229.40/x
  3. Step 3: Cross multiply
    234,741.36x = 323,913.30 × 139,229.40
  4. Step 4: Simplify right side
    234,741.36x = 45,098,254,411.02
  5. Step 5: Solve for x
    x = 45,098,254,411.02/234,741.36
  6. Step 6: Final answer
    x = 192,118.91

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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.