Home / 234,172.09-323,165.32-143,510.54

Finding the Fourth Proportional to 234,172.09, 323,165.32 and 143,510.54

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Solution

The fourth proportional to 234,172.09, 323,165.32 and 143,510.54 is: 198,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,172.09 : 323,165.32 = 143,510.54 : x
  2. Step 2: Convert to fraction form
    234,172.09/323,165.32 = 143,510.54/x
  3. Step 3: Cross multiply
    234,172.09x = 323,165.32 × 143,510.54
  4. Step 4: Simplify right side
    234,172.09x = 46,377,630,031.61
  5. Step 5: Solve for x
    x = 46,377,630,031.61/234,172.09
  6. Step 6: Final answer
    x = 198,049.35

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1.5x scale

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.