Home / 254,455.13-381,857.67-88,243.13

Finding the Fourth Proportional to 254,455.13, 381,857.67 and 88,243.13

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Solution

The fourth proportional to 254,455.13, 381,857.67 and 88,243.13 is: 132,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,455.13 : 381,857.67 = 88,243.13 : x
  2. Step 2: Convert to fraction form
    254,455.13/381,857.67 = 88,243.13/x
  3. Step 3: Cross multiply
    254,455.13x = 381,857.67 × 88,243.13
  4. Step 4: Simplify right side
    254,455.13x = 33,696,314,106.02
  5. Step 5: Solve for x
    x = 33,696,314,106.02/254,455.13
  6. Step 6: Final answer
    x = 132,425.37

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1.5x scale

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.