Home / 91,486.16-126,250.08-51,199.44

Finding the Fourth Proportional to 91,486.16, 126,250.08 and 51,199.44

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Solution

The fourth proportional to 91,486.16, 126,250.08 and 51,199.44 is: 70,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,486.16 : 126,250.08 = 51,199.44 : x
  2. Step 2: Convert to fraction form
    91,486.16/126,250.08 = 51,199.44/x
  3. Step 3: Cross multiply
    91,486.16x = 126,250.08 × 51,199.44
  4. Step 4: Simplify right side
    91,486.16x = 6,463,933,395.96
  5. Step 5: Solve for x
    x = 6,463,933,395.96/91,486.16
  6. Step 6: Final answer
    x = 70,654.77

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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.