Home / 92,678.58-138,996.54-55,249.20

Finding the Fourth Proportional to 92,678.58, 138,996.54 and 55,249.20

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Solution

The fourth proportional to 92,678.58, 138,996.54 and 55,249.20 is: 82,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,678.58 : 138,996.54 = 55,249.20 : x
  2. Step 2: Convert to fraction form
    92,678.58/138,996.54 = 55,249.20/x
  3. Step 3: Cross multiply
    92,678.58x = 138,996.54 × 55,249.20
  4. Step 4: Simplify right side
    92,678.58x = 7,679,447,637.77
  5. Step 5: Solve for x
    x = 7,679,447,637.77/92,678.58
  6. Step 6: Final answer
    x = 82,861.08

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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.