Home / 245,026.44-338,126.01-143,057.55

Finding the Fourth Proportional to 245,026.44, 338,126.01 and 143,057.55

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Solution

The fourth proportional to 245,026.44, 338,126.01 and 143,057.55 is: 197,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,026.44 : 338,126.01 = 143,057.55 : x
  2. Step 2: Convert to fraction form
    245,026.44/338,126.01 = 143,057.55/x
  3. Step 3: Cross multiply
    245,026.44x = 338,126.01 × 143,057.55
  4. Step 4: Simplify right side
    245,026.44x = 48,371,478,581.88
  5. Step 5: Solve for x
    x = 48,371,478,581.88/245,026.44
  6. Step 6: Final answer
    x = 197,413.30

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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.