Home / 253,948.95-350,453.49-139,238.07

Finding the Fourth Proportional to 253,948.95, 350,453.49 and 139,238.07

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Solution

The fourth proportional to 253,948.95, 350,453.49 and 139,238.07 is: 192,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,948.95 : 350,453.49 = 139,238.07 : x
  2. Step 2: Convert to fraction form
    253,948.95/350,453.49 = 139,238.07/x
  3. Step 3: Cross multiply
    253,948.95x = 350,453.49 × 139,238.07
  4. Step 4: Simplify right side
    253,948.95x = 48,796,467,572.36
  5. Step 5: Solve for x
    x = 48,796,467,572.36/253,948.95
  6. Step 6: Final answer
    x = 192,150.70

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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.