Home / 245,110.23-338,199.64-143,089.38

Finding the Fourth Proportional to 245,110.23, 338,199.64 and 143,089.38

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Solution

The fourth proportional to 245,110.23, 338,199.64 and 143,089.38 is: 197,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,110.23 : 338,199.64 = 143,089.38 : x
  2. Step 2: Convert to fraction form
    245,110.23/338,199.64 = 143,089.38/x
  3. Step 3: Cross multiply
    245,110.23x = 338,199.64 × 143,089.38
  4. Step 4: Simplify right side
    245,110.23x = 48,392,776,446.10
  5. Step 5: Solve for x
    x = 48,392,776,446.10/245,110.23
  6. Step 6: Final answer
    x = 197,432.71

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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.