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Finding the Fourth Proportional to 133,316.42, 184,022.99 and 76,750.34

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Solution

The fourth proportional to 133,316.42, 184,022.99 and 76,750.34 is: 105,942.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,316.42 : 184,022.99 = 76,750.34 : x
  2. Step 2: Convert to fraction form
    133,316.42/184,022.99 = 76,750.34/x
  3. Step 3: Cross multiply
    133,316.42x = 184,022.99 × 76,750.34
  4. Step 4: Simplify right side
    133,316.42x = 14,123,827,050.32
  5. Step 5: Solve for x
    x = 14,123,827,050.32/133,316.42
  6. Step 6: Final answer
    x = 105,942.14

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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.