Home / 190,949.52-286,505.28-102,180

Finding the Fourth Proportional to 190,949.52, 286,505.28 and 102,180

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Solution

The fourth proportional to 190,949.52, 286,505.28 and 102,180 is: 153,313.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,949.52 : 286,505.28 = 102,180 : x
  2. Step 2: Convert to fraction form
    190,949.52/286,505.28 = 102,180/x
  3. Step 3: Cross multiply
    190,949.52x = 286,505.28 × 102,180
  4. Step 4: Simplify right side
    190,949.52x = 29,275,109,510.40
  5. Step 5: Solve for x
    x = 29,275,109,510.40/190,949.52
  6. Step 6: Final answer
    x = 153,313.34

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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.