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Finding the Fourth Proportional to 133,935, 184,830.30 and 74,319

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Solution

The fourth proportional to 133,935, 184,830.30 and 74,319 is: 102,560.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,935 : 184,830.30 = 74,319 : x
  2. Step 2: Convert to fraction form
    133,935/184,830.30 = 74,319/x
  3. Step 3: Cross multiply
    133,935x = 184,830.30 × 74,319
  4. Step 4: Simplify right side
    133,935x = 13,736,403,065.70
  5. Step 5: Solve for x
    x = 13,736,403,065.70/133,935
  6. Step 6: Final answer
    x = 102,560.22

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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.