Home / 256,708.03-384,980.14-88,187.72

Finding the Fourth Proportional to 256,708.03, 384,980.14 and 88,187.72

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Solution

The fourth proportional to 256,708.03, 384,980.14 and 88,187.72 is: 132,253.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,708.03 : 384,980.14 = 88,187.72 : x
  2. Step 2: Convert to fraction form
    256,708.03/384,980.14 = 88,187.72/x
  3. Step 3: Cross multiply
    256,708.03x = 384,980.14 × 88,187.72
  4. Step 4: Simplify right side
    256,708.03x = 33,950,520,791.88
  5. Step 5: Solve for x
    x = 33,950,520,791.88/256,708.03
  6. Step 6: Final answer
    x = 132,253.44

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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.