Home / 245,519.04-338,792.34-138,086.82

Finding the Fourth Proportional to 245,519.04, 338,792.34 and 138,086.82

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Solution

The fourth proportional to 245,519.04, 338,792.34 and 138,086.82 is: 190,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,519.04 : 338,792.34 = 138,086.82 : x
  2. Step 2: Convert to fraction form
    245,519.04/338,792.34 = 138,086.82/x
  3. Step 3: Cross multiply
    245,519.04x = 338,792.34 × 138,086.82
  4. Step 4: Simplify right side
    245,519.04x = 46,782,756,870.96
  5. Step 5: Solve for x
    x = 46,782,756,870.96/245,519.04
  6. Step 6: Final answer
    x = 190,546.35

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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.