Home / 252,637.02-378,949.32-75,145.50

Finding the Fourth Proportional to 252,637.02, 378,949.32 and 75,145.50

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Solution

The fourth proportional to 252,637.02, 378,949.32 and 75,145.50 is: 112,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,637.02 : 378,949.32 = 75,145.50 : x
  2. Step 2: Convert to fraction form
    252,637.02/378,949.32 = 75,145.50/x
  3. Step 3: Cross multiply
    252,637.02x = 378,949.32 × 75,145.50
  4. Step 4: Simplify right side
    252,637.02x = 28,476,336,126.06
  5. Step 5: Solve for x
    x = 28,476,336,126.06/252,637.02
  6. Step 6: Final answer
    x = 112,716.40

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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.