Home / 155,262.88-214,228.56-98,757.28

Finding the Fourth Proportional to 155,262.88, 214,228.56 and 98,757.28

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Solution

The fourth proportional to 155,262.88, 214,228.56 and 98,757.28 is: 136,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,262.88 : 214,228.56 = 98,757.28 : x
  2. Step 2: Convert to fraction form
    155,262.88/214,228.56 = 98,757.28/x
  3. Step 3: Cross multiply
    155,262.88x = 214,228.56 × 98,757.28
  4. Step 4: Simplify right side
    155,262.88x = 21,156,629,883.92
  5. Step 5: Solve for x
    x = 21,156,629,883.92/155,262.88
  6. Step 6: Final answer
    x = 136,263.28

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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.