Home / 253,067.29-349,219.16-139,882.75

Finding the Fourth Proportional to 253,067.29, 349,219.16 and 139,882.75

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Solution

The fourth proportional to 253,067.29, 349,219.16 and 139,882.75 is: 193,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,067.29 : 349,219.16 = 139,882.75 : x
  2. Step 2: Convert to fraction form
    253,067.29/349,219.16 = 139,882.75/x
  3. Step 3: Cross multiply
    253,067.29x = 349,219.16 × 139,882.75
  4. Step 4: Simplify right side
    253,067.29x = 48,849,735,754.08
  5. Step 5: Solve for x
    x = 48,849,735,754.08/253,067.29
  6. Step 6: Final answer
    x = 193,030.62

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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.