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Finding the Fourth Proportional to 133,330.34, 200,026.78 and 91,230.25

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Solution

The fourth proportional to 133,330.34, 200,026.78 and 91,230.25 is: 136,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,330.34 : 200,026.78 = 91,230.25 : x
  2. Step 2: Convert to fraction form
    133,330.34/200,026.78 = 91,230.25/x
  3. Step 3: Cross multiply
    133,330.34x = 200,026.78 × 91,230.25
  4. Step 4: Simplify right side
    133,330.34x = 18,248,492,921.30
  5. Step 5: Solve for x
    x = 18,248,492,921.30/133,330.34
  6. Step 6: Final answer
    x = 136,866.77

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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.