Home / 253,606.49-349,972.67-140,426.81

Finding the Fourth Proportional to 253,606.49, 349,972.67 and 140,426.81

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Solution

The fourth proportional to 253,606.49, 349,972.67 and 140,426.81 is: 193,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,606.49 : 349,972.67 = 140,426.81 : x
  2. Step 2: Convert to fraction form
    253,606.49/349,972.67 = 140,426.81/x
  3. Step 3: Cross multiply
    253,606.49x = 349,972.67 × 140,426.81
  4. Step 4: Simplify right side
    253,606.49x = 49,145,543,183.29
  5. Step 5: Solve for x
    x = 49,145,543,183.29/253,606.49
  6. Step 6: Final answer
    x = 193,786.62

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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.