Home / 245,130.96-338,269.32-136,230.24

Finding the Fourth Proportional to 245,130.96, 338,269.32 and 136,230.24

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Solution

The fourth proportional to 245,130.96, 338,269.32 and 136,230.24 is: 187,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,130.96 : 338,269.32 = 136,230.24 : x
  2. Step 2: Convert to fraction form
    245,130.96/338,269.32 = 136,230.24/x
  3. Step 3: Cross multiply
    245,130.96x = 338,269.32 × 136,230.24
  4. Step 4: Simplify right side
    245,130.96x = 46,082,510,648.24
  5. Step 5: Solve for x
    x = 46,082,510,648.24/245,130.96
  6. Step 6: Final answer
    x = 187,991.39

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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.