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Finding the Fourth Proportional to 133,900.12, 184,775.22 and 77,308.12

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Solution

The fourth proportional to 133,900.12, 184,775.22 and 77,308.12 is: 106,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,900.12 : 184,775.22 = 77,308.12 : x
  2. Step 2: Convert to fraction form
    133,900.12/184,775.22 = 77,308.12/x
  3. Step 3: Cross multiply
    133,900.12x = 184,775.22 × 77,308.12
  4. Step 4: Simplify right side
    133,900.12x = 14,284,624,880.79
  5. Step 5: Solve for x
    x = 14,284,624,880.79/133,900.12
  6. Step 6: Final answer
    x = 106,681.20

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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.