Home / 190,614.57-286,015.02-134,813.28

Finding the Fourth Proportional to 190,614.57, 286,015.02 and 134,813.28

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Solution

The fourth proportional to 190,614.57, 286,015.02 and 134,813.28 is: 202,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,614.57 : 286,015.02 = 134,813.28 : x
  2. Step 2: Convert to fraction form
    190,614.57/286,015.02 = 134,813.28/x
  3. Step 3: Cross multiply
    190,614.57x = 286,015.02 × 134,813.28
  4. Step 4: Simplify right side
    190,614.57x = 38,558,622,975.47
  5. Step 5: Solve for x
    x = 38,558,622,975.47/190,614.57
  6. Step 6: Final answer
    x = 202,285.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.