Home / 245,150.03-338,305.01-137,717.75

Finding the Fourth Proportional to 245,150.03, 338,305.01 and 137,717.75

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Solution

The fourth proportional to 245,150.03, 338,305.01 and 137,717.75 is: 190,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,150.03 : 338,305.01 = 137,717.75 : x
  2. Step 2: Convert to fraction form
    245,150.03/338,305.01 = 137,717.75/x
  3. Step 3: Cross multiply
    245,150.03x = 338,305.01 × 137,717.75
  4. Step 4: Simplify right side
    245,150.03x = 46,590,604,948.10
  5. Step 5: Solve for x
    x = 46,590,604,948.10/245,150.03
  6. Step 6: Final answer
    x = 190,049.35

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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.