Home / 234,521.46-323,645.76-143,927.64

Finding the Fourth Proportional to 234,521.46, 323,645.76 and 143,927.64

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Solution

The fourth proportional to 234,521.46, 323,645.76 and 143,927.64 is: 198,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,521.46 : 323,645.76 = 143,927.64 : x
  2. Step 2: Convert to fraction form
    234,521.46/323,645.76 = 143,927.64/x
  3. Step 3: Cross multiply
    234,521.46x = 323,645.76 × 143,927.64
  4. Step 4: Simplify right side
    234,521.46x = 46,581,570,432.81
  5. Step 5: Solve for x
    x = 46,581,570,432.81/234,521.46
  6. Step 6: Final answer
    x = 198,623.91

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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.