Home / 245,170.46-338,317.01-137,758.39

Finding the Fourth Proportional to 245,170.46, 338,317.01 and 137,758.39

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Solution

The fourth proportional to 245,170.46, 338,317.01 and 137,758.39 is: 190,096.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,170.46 : 338,317.01 = 137,758.39 : x
  2. Step 2: Convert to fraction form
    245,170.46/338,317.01 = 137,758.39/x
  3. Step 3: Cross multiply
    245,170.46x = 338,317.01 × 137,758.39
  4. Step 4: Simplify right side
    245,170.46x = 46,606,006,607.21
  5. Step 5: Solve for x
    x = 46,606,006,607.21/245,170.46
  6. Step 6: Final answer
    x = 190,096.34

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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.