Home / 245,545.14-338,849.84-136,647.64

Finding the Fourth Proportional to 245,545.14, 338,849.84 and 136,647.64

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Solution

The fourth proportional to 245,545.14, 338,849.84 and 136,647.64 is: 188,572.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,545.14 : 338,849.84 = 136,647.64 : x
  2. Step 2: Convert to fraction form
    245,545.14/338,849.84 = 136,647.64/x
  3. Step 3: Cross multiply
    245,545.14x = 338,849.84 × 136,647.64
  4. Step 4: Simplify right side
    245,545.14x = 46,303,030,950.38
  5. Step 5: Solve for x
    x = 46,303,030,950.38/245,545.14
  6. Step 6: Final answer
    x = 188,572.38

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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.